Avionic Hold-Down Mechanisms Secure line replaceable avionics with positive-locking RAM Hold-Down Devices. Features & Benefits n Protect critical electronics from shock, vibration and accelaration. n Self-Locking and Load Limiting version. n Tool or hand operation. n ARINC 600 and MIL-F-85731 applications. The Ram design team has developed a complete family of ergonomically designed ratcheting and ultra-lighweight clutching holddowns, hooks and hinges. All are built to resist extremes in shock and vibration, yet they allow quick change capability. Our engineers are continuing to design smaller units for higher loads to solve both your avionic box and printed circuit card hold-down problems. So let Camloc/Ram be your problem solver... whether it’s loads in excess of 5000 lbs., clutching loads of 450 lbs. or more...easy hand or tool operations...30 “G” shock loads or gunfire vibrations...ARINC 600 applications or MIL-F-85731 (MS14108) requirements. These pages detail the RAM Hold-Down Devices that will meet the requirements of most engineers. However, if you don’t see a design in this catalog that will suit your application, consult one of our field sales engineers for a solution to meet your specific needs. Styles Two major sub-divisions of hold-downs exist: Load Limiting and Self-Locking. Self-locking versions are used for securing heavy loads, up to 5000 pounds. Load limiting are used to precisely control the insertion and extraction of avionic devices with multi-pin connectors. 3° Extraction Angle...No Bent Pins. 1. 2. 3. 1. Hold-down in fuly clutched and seated position (3°-10°). 2. As extraction is begun, by turning knob counterclockwise, the center shaft is pushed back and pivoted upward. Angle of shaft is reduced to 3° before extraction occurs. 3. Full half-inch extraction takes place with no more than 3° of upward force placed upon avionics. Connector pins are never bent. E-10 Avionic Hold-Down Mechanisms Typical Operation Load Limiting Versions Self-Locking Versions 1. To lock, lift assembly to clear HD13001 Series hook. 1. Assembly lifts to clear NAS 622 hook. Keeper is rotated to captivate hold-down assembly to the hook. Knob is rotated clockwise to seat the box in place. Clutch mechanism will control the clamping force within a rage of 100 to 140 pounds. 2. Rotate knob clockwise to engage hook with keeper . Continue clockwise rotation to seat box. E 2. Fully installed in locked position. 3. To unlock, rotate knob counterclockwise until keeper clears hook. There is no need to pull back on knob to release ratchet with RAM Hold-Down Devices. Optional Head Styles Hand and tool operated knob can be turned by hand or torque wrench. Hex head knob designed for torque wrench operation. 3. Shown here in the extraction mode. This is achieved by simply turning the knob counterclockwise. T o release from hook, keeper is pulled back and rotated 180° and assembly falls free. Hand operated knob is easy to grip for high torque. E-11 With Integral Hinges Series H D 12006 Dimensions Material/ Finish Knob: 416 CRES/ Passivate Clevis Bolt: PH 13-8 MO CRES/ Dry Film Lube Nosepiece: PH 13-8 MO CRES/Passivate Dry Film Lube Knob: 2024-T3511 Aluminum/ Hard Anodize or 2024-T4 Aluminum/ Hard Anodize Knob: A356-T6 Aluminum/ Hard Anodize Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-12 Self-Locking Hold-Downs Installation Reference - Typical Ultimate Load, lbs. 5500 (2,495) Weight, lbs. A B Min Grip C DIA 0.16 --- --- --- (0.072) D Values per Diagram Above E F G 0.904 (22.961) 0.904 (22.961) 45° 20° Part Number HD12006-101 E 5500 (2,495) 5500 (2,495) 0.16 --- --- --- 0.16 --- --- --- (0.072) (0.072) 0.904 (22.961) 0.904 (22.961) 0.904 45° 20° HD12006-102 0.904 45° 20° HD12006-103 (22.961) (22.961) E-13 With Separate Hinges Series H D 12026 Dimensions Material/ Finish Knob: 2024-T35112 Hard Anodize Clevis Bolt: 17-4PH CRES/ Passivate Nosepiece: 304 or 316 CRES/ Passivate or 15-5PH CRES/ Passivate Spring: 17-7PH CRES/ Passivate Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-14 Self-Locking Hold-Downs Installation Reference - Typical Ultimate Load, lbs. Weight, lbs. 1000 0.15 Max. (454) (0.068) A 2.03 (51.56) 2.41 (61.24) 2.91 (73.91) 2000 (907) 0.15 Max. (0.068) 2.03 (51.56) 2.41 (61.24) 2.91 (73.91) 1000 (454) 0.20 (0.09) Max. 2.03 (51.56) 2.41 (61.24) 2.91 (73.91) 2000 (907) 0.20 (0.09) Max. 2.03 (51.56) 2.41 (61.24) 2.91 (73.91) B Min Grip 1.000 (25.400) C DIA 0.128 (3.251) 1.375 D Values Per Diagram Above E F G 0.418 ± 0.020 0.418 ± 0.020 ± 0.508) ± 0.508) (10.617 45° 20° HD12026-102 1.875 HD12026-103 (47.625) 1.000 HD12026-101 (10.617 (34.925) (25.400) Part Number 1.375 HD12026-105 1.875 HD12026-106 (34.925) (47.625) 1.000 (25.400) 0.128 (3.251) 1.375 (34.925) 1.875 1.000 0.418 ± 0.020 0.418 ± 0.020 ± 0.508) ± 0.508) (10.617 45° 20° HD12026-101 CP (10.617 HD12026-102 CP HD12026-103 CP (47.625) (25.400) E HD12026-104 0.160 (40.64) 0.160 (4.064) HD12026-104 CP 1.375 HD12026-105 CP 1.875 HD12026-106 CP (34.925) (47.625) E-15 With Separate Hinges Series H D 12023 Dimensions Material/ Finish Knob: 416 CRES/ Passivate Clevis Bolt: 17-4PH CRES/Passivate Nosepiece: 15-5PH CRES/ Passivate Spring: 17-7PH CRES H D 12017 Knob: 416 CRES/ Passivate Clevis Bolt: PH 13-8 MO CRES/Passivate Nosepiece: 17-4 PH CRES/ Passivate Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-16 Self-Locking Hold-Downs Installation Reference - Typical Ultimate Load, lbs. 2000 (907) Weight, lbs. 0.17 (0.077) A B Min Grip C DIA 2.130 – 0.160 0.163 (54.102) ( 44..014604 ) Values Per Diagram Above D E F G 0.418 0.418 ±. 0.020 ±. 020 10.617 ±0.508 45° 20° Part Number HD12023-101 (10.617 ± 0.508) E 2000 (907) 3500 (1,588) 0.25 (0.113) 2.320 HD12023-102 (58.928) Max. 0.17 (0.077) 3.30 (83.82) 1.20 (30.48) 0.160 0.163 ( 44..014604) 0.75 (19.05) – 32.50° 15° HD12017-101 E-17 With Separate Hinges Series Dimensions H D 12031 Material/ Finish *Knob: 416 CRES/ Passivate Clevis Bolt: PH 13-8 MO CRES/Passivate Nosepiece: 17-4PH CRES/Passivate *Knob: A356-T6 Aluminum/Hard Anodize *Knob: 2024 Aluminum/Hard Anodize H D 12032 Knob: 2024-73511 2024-T4 Hard Anodize Clevis Bolt: 17-4PH CRES/Passivate Dry Film Lube Nosepiece: 304 or 316 CRES/Passivate or 15-5PH CRES/Passivate Dry Film Lube Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-18 Self-Locking Hold-Downs Installation Reference - Typical Ultimate Load, lbs. 3500 Weight, lbs. 0.16 B Min Grip C DIA 2.80 – 0.160 0.163 (1,588) (0.072) (71.12) 3500 0.16 2.8 (1,588) 3500 (1,588) 2000 (907) (0.072) 0.16 (0.072) 0.20 (0.090) Max. Values Per Diagram Above D E F G A (71.12) 2.80 (71.12) 2.03 (51.56) 2.41 (61.24) 2.91 (73.91) ( 44..014604) – 1.000 (16.713) 0.658 45° 18° HD12031-101 0.658 0.658 45° 18° HD12031-102 0.658 (16.713) 0.160 0.163 (16.713) (16.713) 0.658 45° 18° HD12031-103 – – – 90° HD12023-104 4.064 4.140 ) ( 44..014604) (25.400) (16.713) 0.160 0.163 ( – Part Number 0.160 0.163 0.658 (16.713) ( 44..014604) 1.375 HD12023-105 1.875 HD12023-106 (34.925) (47.625) E-19 E With Integral Hinges Series CA12096 Dimensions Material/ Finish Sleeve: Glass Reinforced Polyester Resin Keeper and Extractor: Aluminum Alloy/ Anodize Hinge Base: Aluminum/ Anodize Center Shaft: CRES/Passivate or 4130 Alloy Steel/Cadmium Plated CA12145 Sleeve: Glass Reinforced Polyester Resin Keeper, Extractor and Hinge Base: Aluminum Alloy/ Anodize Hinge Base: Aluminum/ Anodize Center Shaft: CRES/Passivate or 4130 Alloy Steel/Cadmium Plated Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-20 Load Limiting Hold-Downs Load Diagram Ultimate Load, lbs. 500 (227) Values Per Diagram Above B (C) Ref. Weight, lbs. Clutch Load, lbs. A 0.15 120 ± 20 100 to 140 (0.07) Max. (54 ± 9) (45 to 64) 31 to 43 (14 to 20) - Minimum Extraction Part Number 0.05 CA12096-101 (12.70) E 500 (227) 0.13 (0.058) Max. 120 ± 20 (54 ± 9) 100 to 14 (45 to 64) 44 to 65 (20 to 30) - 0.05 (12.70) CA12145-102 E-21 With Integral Hinges Series HD11097 Dimensions Material/ Finish Sleeve: Glass Reinforced Polyester Resin Keeper, Extractor and Hinge Base: Aluminum/ Anodize Center Shaft: CRES/Passivated or 4130 Alloy Steel/Cadmium Plated HD11098 Sleeve: Glass Reinforced Polyester Resin Keeper, Extractor and Hinge Base: Aluminum/ Anodize Center Shaft: CRES/Passivated or 4130 Alloy Steel/Cadmium Plated Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-22 Load Limiting Hold-Downs Load Diagram Ultimate Load, lbs. 500 (227) Values Per Diagram Above B (C) Ref. Weight, lbs. Clutch Load, lbs. A 0.13 120 ± 20 100 to 140 (0.06) Max. (54 ± 9) (45 to 64) 44 to 65 (20 to 29) - Minimum Extraction Part Number 1.00 HD11097-101 (25.40) E 500 (227) 0.13 (0.06) Max. 150 ± 20 (68 ± 9) 130 to 170 (59 to 77) 71 to 93 (32 to 42) - 0.05 (12.70) HD11098-101 E-23 With Separate Hinges Series Dimensions HD11006 Material/ Finish Shaft: PH 13-8MO CRES/ Passivate Dry Film, Lube Knob: A356-T6/ Hard Anodize Hook Connector: 7-4 PH CRES/Passivate Extractor: 7075-T6/Anodize Note: See Hold-Down Hinges page. Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-24 Load Limiting Hold-Downs Load Diagram Ultimate Load, lbs. 2,000 (907) Values Per Diagram Above B (C) Weight, lbs. Clutch Load, lbs. A 0.42 150 150 (0.190) Max. With Hinge (68) 500 ± 50 (227 ± 23) (68) Min. 500 --- --- Minimum Extraction Part Number 0.05 HD11006-102 (12.70) HD11006-103 (227) Min. E E-25 Hold-Down Hinges Dimensions Fo r Ho ld -Do w n Ser ies : H D 12026 H D 12023* Material/ Weight, Y Finish lbs. Alloy Steel/ 025 .130 Cadmium (.011) (3.30) Plated Part Number Hinge Hinge Pin 0.197 0.450 HD12026-115 HD12026-123 (5.00) (11.430) HD13002-101* B A .312 0.566 HD13019-101 (7.92) (14.376) .162 (4.11) .197 0.450 HD12026-117 (5.00) (11.430) HD13002-103* .312 0.566 HD13019-103 (7.92) (14.376) CRES/ Passivate .025 (.011) .130 (3.30) 0.197 0.450 HD12026-116 (5.00) (11.430) HD13002-102* HD12026-124 .312 0.566 HD13019-102* (7.92) (14.376) .162 (4.11) 0.197 0.450 HD12026-118 (5.00) (11.430) HD13002-104* .312 0.566 HD13019-104* (7.92) (14.376) Alloy Steel/ Cadmium Plated .035 (.016) .130 (3.30) 0.197 (5.00) 0.150 HD12026-119 (35.10) HD13003-101* HD12026-123 .312 1.62 HD13020-101* (7.92) (41.148) .162 (4.11) 0.197 (5.00) 0.150 HD12026-121 (35.10) HD13026-103* .312 1.62 HD13020-103 (7.92) (41.148) CRES/ Passivate .035 (.016) .130 (3.30) 0.197 (5.00) 0.150 HD12026-120 (35.10) HD13003-102* HD12026-124 .312 1.62 HD13020-102 (7.92) (41.148) * Note for HD12023 Series Hold-Downs use Hinges: HD13002, HD13003, HD13019, or HD13020 Fo ld Ho ld -Do w n Ser ies : H D 12031 .162 (4.11) 0.150 HD12026-122 (35.10) HD13003-104* .312 1.62 HD13020-104 (7.92) (41.148) 6061-T6 Aluminum Alloy/ Anodize Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-26 0.197 (5.00) .060 (.027) .162 (4.11) .205 1.00 HD13024-101 (5.207) (25.40) HD14005-101 Hold-Down Hinges Hinge Dimensions Fo r Ho ld -Do w n Ser ies : HD11002 Fo r Ho ld -Do w n Ser ies : HD11003 Fo r Ho ld -Do w n Ser ies : HD11006 Material/ Finish Weight, lbs. 17-4PH Stainless Steel/ Passivate .030 (.013) Max. (22.86) (12.70) 17-4PH Stainless Steel/ Passivate .030 (.013) Max. (25.40) (12.70) 303 CRES/ Passivate Part Number Hinge Hinge Pin Y B A .90 0.50 1.00 (25.40) HD13008-101 1.00 0.50 1.40 (35.56) HD13009-101 .030 (.013) Max. 0.128 (3.25) D i a. .196 1.200 (4.98 5.08) 1.12 (28.45) CA12084-101 17-4PH Stainless Steel/ Passivate .040 (.018) Max. (25.40) (35.05) 1.00 1.38 1.00 (25.45) HD13011-101 17-4PH Stainless Steel/ Passivate .040 (.018) Max. (25.40) (14.73) 1.00 .58 1.40 HD13012-101 7050 T.73511 Aluminum Alloy/ Anodize Weight lbs. A 1.364 (34.64) .090 1.630 (.040) (41.40) Max. (25.45) HD13021-101 MS20392-2R S t r ai g h t P i n an d .125 0.163 .125 MS24665-1012 (3.17) (15.57) (3.17) C o t t er P i n B .160 (4.06) C D 0.434 .160 HD13021-102 (11.02) (4.06) E-27 Hold-Down Hook Supports Selected Hold-Down Series Hinge Dimension H D 12023 H D 12026 HD11002 HD11003 - C A 12090 C A 12145 HD11006 HD11098 - H D 12031 Material/ Finish Weight. X Dia. lbs. 4140 Alloy Steel/ Cadmium Plated .020 (.009) 17-4 CRES/ Passivate (.009) (4.95) 4140 Alloy Steel/ Cadmium Plated 17-4 CRES/ Passivate - HD13001-101 HD13001-102 .195 - HD13001-103 HD13001-104 .020 (.009) .169 (4.29) - HD13001-105 HD13001-106 .020 (.009) (4.95) .195 - HD13001-103 HD13001-108 .020 - - MS14108* .020 - - N A S 622* .025 (.011) 0.211 (5.36) thru C’Sink 100° X 0.395 0.310 (7.87) .020 (.009) PH13-8MO CRES/ Passivate Heat Treat to 220,000 PSI Min. H D 12006 Hook Support Part Number .169 (4.429) (.009) PH13-8MO CRES/ Passivate Heat Treat to 180,000 PSI Min. A HD13023-101 HD13023-102 17-4 CRES/ Passivate (.014) .032 0.219 0.310 HD13000-102 17-4 CRES/ Passivate (.014) .032 0.219 0.360 HD 13000-101 .020 0.156 0.380 HD13006-10 (5.56) (5.56) (7.87) (9.14) A-286 Steel/ Passivate HD11000 Dimensions specified in inches (millimeters) and pounds (kilograms). Note: Variables may not represent the same dimensions on all series numbers. E-28 15-5PH CRES/ Passivate (.009) (3.96) (9.65) * Available at local distributor .