ca_C1-C61.qxd:Layout 1 2/10/11 9:32 AM Page 1 ca_C1-C61.qxd:Layout 1 2/10/11 9:32 AM Page 37 Grommet D GD* Grommet D • Environmental Protection • MIL-C-4308 Compatibility • Reliability and Versatility GD* connectors are ideal for aerospace, military, telecommunications and other applications requiring protection and high reliability. ITT Cannon developed GD* connectors to meet the needs of the avionics industry. These connectors provide high-density and moisture protection. Environmental protection is accomplished by the resilient grommet, interfacial seal, and bonded connector components. Performance and Material Specifications MATERIALS AND FINISHES Materials Shell Low carbon steel per ASTM-A-620 Contacts Copper alloy Finishes Yellow chromate over cadmium per QQ-P-415, Type II, Class 2 Standard finish: Gold over nickel Military finish: Gold 50 microinches thickness per MIL-G-45204, Type II, Grade C, Class 1, over copper per MIL-C-14550 Passivated per QQ-P-35 Float Mount Hardware Stainless Steel Grommets and Seals Silicone elastomer or Fluorosilicone Bonding Material Epoxy MECHANICAL FEATURES Wire Accommodation – Contact: #20, #22, #24 AWG. Wire O.D. .071 (1.80) maximum, .038 (0.97) minimum. Contact Retention – 9 lbs. minimum (40N) after 10 insertions ELECTRICAL DATA Test voltage AC RMS 60 Hz Sea Level 20,000 Ft. 50,000 Ft. 70,000 Ft. Average Flashover 1,000 1,000 500 500 Test 1,000 650 325 325 Maximum Current Carrying Capacity of Contacts – #20 Contacts: 5 Amps Temperature Range – -65°C to +150°C (-53.9°F to +302°F) C D Sub How to Order GD SERIES PREFIX GD – Grommet D SHELL SIZE E, A, B, C, D B - 25 P ** SERIES PREFIX SHELL SIZE MOUNTING TYPE CONTACT ARRANGEMENT CONTACT TYPE MODIFICATION MOUNTING TYPE No designator – .120 (3.05) Diameter Mounting Holes CONTACT TYPE P – Pin, crimp termination S – Socket, crimp termination Y – Float Mount for Rear and Front Panel Mounting CONTACT ARRANGEMENTS Std. Density 9, 15, 25, 37 and 50 Hi Density 15, 26, 44, 62, 78 MODIFICATIONS (Typical Modifiers) FO – Connectors supplied Less Contacts See D*MA modifiers, page C-8. Dimensions shown in inches (mm) Specifications and dimensions subject to change www.ittcannon.com C-37 ca_C1-C61.qxd:Layout 1 2/10/11 9:32 AM Page 38 Grommet D GD* Standard Shell Dimensions M L B• 10˚TYP. B' + G MAX. OVER GROMMET K D' + J H D• E + TWO HOLES .120 +_ .005 (3.05 +_ 0.13) DIA. X MAX. C + A Front Rear Shell with Float Dimensions .031 (0.79) + _ .005 (0.13) .130 (3.30) MAX. .049 (1.24) MAX. B• .031 (0.79) TOTAL DIAMETRICAL FLOAT D' G MAX. OVER GROMMET B' .089 (2.26) +_ .003 (0.08) DIA. 10˚TYP. D• C E Over H Shell OVERALL FREE FLOAT .004 - .012 (0.10) - (0.30) C RIVET A TWO HOLES .089 (2.26) +_ .003 (0.08) Rear Y-Float Mount Front D Sub WASHER It is recommended that only one assembly, either pin or socket, be float mounted. For front panel mounting use reverse float mounted. Shell Size A ±.015 (0.38) GDE-9P GDE-9S GDA-15P GDA-15S GDB-25P GDB-25S GD-37P GD-37S GDD-50P GDD-50S 1.213 (30.81) 1.213 (30.81) 1.541 (39.14) 1.541 (39.14) 2.088 (53.03) 2.088 (53.03) 2.729 (19.32) 2.729 (19.32) 2.635 (66.92) 2.635 (66.92) B• ±.005 (0.13) B’ ±.005 (0.13) C ±.005 (0.12) .666 (16.91) .984 (24.99) — — .643 (16.33) .984 (24.99) .994 (25.24) 1.312 (33.32) — — .971 (24.66) 1.312 (33.32) 1.534 (38.96)1.852 (47.04) — — 1.511 (38.38) 1.852 (47.04) 2.182 (55.42) 2.50 (63.50) 2.50 (63.50) 2.159 (54.84) 2.079 (52.81)2.406 (61.11) — — 2.406 (61.11) 2.064 (52.42) *dimensions B, D, and H are measured as outside dimensions at the bottom of draw. D• ±.005 (0.13) D’ ±.005 (0.12) E ±.015 (0.38) G Max. — .329 (8.36) .494 (12.55) .750 (19.05) .311 (7.90) .494 (12.55) .750 (19.05) — — .329 (8.36) .494 (12.55) 1.093 (27.76) .311 (7.90) .494 (12.55) 1.093 (27.76) — — .329 (8.36) .494 (12.55) 1.625 (41.28) .311 (7.90) .494 (12.55) 1.625 (41.28) — .329 (8.36) .494 (12.55) 2.270 (57.66) .311 (7.90) .494 (12.55) 2.270 (57.66) — .411 (11.20) .605 (15.37) 2.162 (54.91) .423 (10.74) — .605 (15.37) 2.162 (54.91) H ±.010 (0.25) J ±.010 (0.25) K ±.006 (0.13) L ±.010 (0.25) M ±.085 (0.13) X Max. .422 (10.72) .422 (10.72) .422 (10.72) .422 (10.72) .422 (10.72) .422 (10.72) .422 (10.72) .422 (10.72) .534 (13.56) .534 (13.56) .030 (0.76) .030 (0.76) .030 (0.76) .030 (0.76) .039 (0.99) .030 (0.76) .039 (0.99) .030 (0.76) .039 (0.99) .030 (0.76) .235 (5.97) .243 (6.17) .235 (5.97) .243 (6.17) .230 (5.84) .243 (6.17) .230 (5.84) .243 (6.17) .230 (5.84) .243 (6.17) .045 (1.14) .045 (1.14) .045 (1.14) .045 (1.14) .060 (1.52) .045 (1.14) .060 (1.52) .045 (1.14) .060 (1.52) .045 (1.14) .422 (10.72) .429 (10.90) .422 (10.72) .429 (10.90) .426 (10.82) .429 (10.90) .426 (10.82) .429 (10.90) .426 (10.82) .429 (10.90) .718 (18.24) .718 (18.24) .718 (18.24) .718 (18.24) .718 (18.24) .718 (18.24) .718 (18.24) .718 (18.24) .718 (18.24) .718 (18.24) NOTE: B• and D• are the outside dimensions for socket side, B’ and D’ are the inside dimensions for pin side. High Density Layouts available. Dimensions shown in inches (mm) Specifications and dimensions subject to change C-38 www.ittcannon.com ca_C1-C61.qxd:Layout 1 2/10/11 9:32 AM Page 39 Grommet D GD* Test Data GD* connectors meet all applicable requirements of MIL-C-24308. The following are exerpts from ITT Cannon Test Cannon Test Report C82-78 applicable to environmental D-Subminiature GD* series connectors. Refer to MIL-C- 24308 Test Extracts on page 385. Test Test Description Method Moisture Resistant MIL-STD-1344 Method 1002.1 Type II Fluid Immersion Immersion Results 1. No deterioration of performance. 2. Insulation resistance greater than 100 megaohms. 3. No evidence of flashover or breakdown during 1000 VAC DWV testing. 20 hours immersion in hydraulic 1. No detrimental damage. fluid per MIL-L-23699. 2. Able to meet requirements of mating and unmating test. Two hours immersion in tap water While still immersed, the mated connectors exceeded at a depth of 36.00 (914.40) in 100 megaohm insulator resistance and exhibited no mated condition, per MIL-STD 810, evidence of breakdown or flashover during 1000 VAC Method 512, Procedure 1. (RMS) DWV testing. Design Features CLOSED ENTRY SOCKET BONDING SEALING PLUG (OPTIONAL) C SHELL FRONT INSULATOR CONTACT RETAINING CLIP SHELL REAR GROMMET Socket Connector INSULATOR BONDING SEALING PLUG (OPTIONAL) PIN CONTACT SHELL FRONT INTERFACIAL SEAL CONTACT RETAINING CLIP SHELL REAR Pin Connector Note: Crimp Contacts: See page C-13 Dimensions shown in inches (mm) Specifications and dimensions subject to change www.ittcannon.com C-39 GROMMET D Sub • Resilient silicone grommets for wire sealing • Interfacial seals • Closed-entry socket contacts • Bonded components to prevent moisture • Uses M39029 type contacts and termination tooling • Intermateable with most M24308 type connectors • Rear-release crimp contacts • LITTLE CAESAR® contact retention assembly • Optional sealing plugs, ITT Cannon part number