HJ( )( )7940

CURRENT DESIGN ACTIVITY
CAGE CODE 0HDW7
AFSR TUCSON OPERATIONS
3724 EAST COLUMBIA STREET
TUCSON, ARIZONA 85714
PHONE (520) 519-7400
FAX (520) 519-7454
Alcoa
Fastening
Systems & Rings
THIS DRAWING, THE STRUCTURAL DESIGN DISCLOSED THEREIN AND THE TECHNICAL DATA AND ENGINEERING SERVICE REPRESENTED THEREBY ARE THE EXCLUSIVE PROPERTY OF HUCK INTERNATIONAL, INC.
P
H
CAPTIVE SCREW
ENGINEERING
STANDARD
COUNTERBORE
IS OPTIONAL
K
D
Q
R
X
M
P
.035
G
.025
TOP PANEL
GRIP THK.
PANEL PREPARATION
W
SCREW ASSEMBLY
AFTER MOUNTING
SCREW ASSEMBLY BEFORE MOUNTING
THREAD SIZE
CODE
2, M2.5
4, M3
6, M3.5
8, M4
10, 10C, M5
12, 12C, M6
ØM ØQ ØR
ØD
H
+.005 +.004 +.020
MAX MAX
-.000 -.001 -.000
.230
.268
.332
.372
.380
.465
.135
.143
.157
.166
.180
.219
.160
.175
.200
.213
.248
.311
.171
.187
.213
.228
.257
.323
X
DRIVER
SIZE
W
.296
.312
.332
.341
.355
.394
MAX
MIN
.031
.039
.048
.054
.060
.075
.023
.031
.039
.045
.050
.064
1
1
2
2
2
3
L
PART NUMBER CALLOUT
HJ ( ) ( ) 7940 -( )-( ) -( ) 1
LENGTH
CODE
MODEL
SERIES
L
.188
1
.250
2
.375
A
3
4
.500
.625
.031-.062
.063-.093
.104
B
C
.094-.125
.167
5
.750
D
.126-.156
.198
.875
E
.157-.188
.230
F
.189-.219
.261
THREAD
SIZE
CODE
4
FINISH
NONE
B
CLEAR
BLACK
RECESS
CODE
2
P
P
ISSUED
2
4
6
8
DRIVING RECESS AND SPECIFICATION
SLOT RECESS PER ANSI B18.6.3
CROSS RECESS PER NASM 9006
10
12
10C
12C
11/3/2005
1 OF 2
.135
THREAD SIZE PER
ASME B1.1
LEAD
.086-56 UNC-2A
.164-32 UNC-2A
.190-32 UNF-2A
.250-28 UNF-2A
.190-24 UNC-2A
THREAD
THREAD SIZE PER
SIZE
ASME B1.13M
CODE
M2.5
M3
.112-40 UNC-2A
.138-32 UNC-2A
SINGLE
M3.5
M4
M5
M6
LEAD
M2.5 x 0.45-6g
M3 x 0.5-6g
M3.5 x 0.6-6g
METRIC
M4 x 0.7-6g
M5 x 0.8-6g
M6 x 1.0-6g
SINGLE
.250-20 UNC-2A (COARSE)
PER DCN 12955, CHANGED FROM Alcoa Fastening Systems AND AFS TO
Alcoa Fastening Systems & Rings AND AFSR, UPDATED FINISH SPECS
REVISED 3/27/2015
PAGE
(TOP PANEL
GRIP THK)
SCREW ASSEMBLY
AFTER MOUNTING
K
±.005
.75
6
CODE
G
GRIP
CODE
CAPTIVE SCREW, ALL SIZES,
OPTIONAL RECESS
TOLERANCE UNLESS
OTHERWISE NOTED:
.X = .05
.XX = .02
.XXX = .015
ANGLES 0.5
DIMENSIONS IN INCHES
DRAWN BY
CHECKED BY
J. SCHLOBOHM
SIGNATURE ON FILE
HJ( )( )7940
S-2995
This dra win g/docu mentatio n is control led b y either the De pa rtme nt of Sta te, Intern ationa l Tra ffic In Arms R egu la tio ns or the De partmen t of C ommerce , Expo rt Admi nistratio n Reg ula ti ons an d
may req uire a n expo rt li cense /l icen se excep ti on pr ior to bein g tr ansferred to a forei gn na ti ona l, i nsid e or outsid e of th e United States. EAR/ECCN EAR 99. Th ese comm oditie s, techn olo gy or
software w ere exp orted from th e Uni te d Sta te s i n accord ance w ith th e Export Admin istration R egu la tio ns. Di versio n contrary to U.S. l aw pro hibi te d.
CURRENT DESIGN ACTIVITY
CAGE CODE 0HDW7
AFSR TUCSON OPERATIONS
3724 EAST COLUMBIA STREET
TUCSON, ARIZONA 85714
PHONE (520) 519-7400
FAX (520) 519-7454
P
THIS DRAWING, THE STRUCTURAL DESIGN DISCLOSED THEREIN AND THE TECHNICAL DATA AND ENGINEERING SERVICE REPRESENTED THEREBY ARE THE EXCLUSIVE PROPERTY OF HUCK INTERNATIONAL, INC.
Alcoa
Fastening
Systems & Rings
CAPTIVE SCREW
ENGINEERING
STANDARD
MATERIAL
STUD: 302 CRES PER AMS 5636 OR ASTM-A-493
SLEEVE: 304 CRES PER AMS 5639 OR AMS-QQ-S-763
FINISH
NONE: BOTH COMPONENTS: PASSIVATE PER AMS2700
B: BOTH COMPONENTS: BLACK OXIDE PER MIL-DTL-13924, CLASS 4
NOTES:
1
LETTERS AT THE END OF PART NUMBER DESIGNATE SPECIAL ASSEMBLIES:
DL - ASSEMBLIES WITH DRI LUBE THREADS PER AS5272
DL IS NOT AVAILABLE ON BLACK OXIDE ASSEMBLIES
2
NO CODE REQUIRED FOR SLOTTED RECESSED HEADS.
3
AXIAL FLOAT TO BE .020 MAXIMUM
4
USE OF THE HAND TOOL IS NOT RECOMMENDED FOR SIZE 2, 4 & 6 SCREWS.
USE ARBOR PRESS TOOL ONLY. ANVIL AND ARBOR PRESS TOOL ARE TO BE
UTILIZED TOGETHER FOR SIZES 4 & 6 ONLY. HOWEVER, HJ7503-2 HAND TOOL
WITH SPECIAL NOSE PIECE HNJ7513-2 IS AVAILABLE FOR SIZE 2 ONLY, PER
CUSTOMER REQUEST.
INSTALLATION TOOLS:
( ) INDICATES THREAD SIZE CODE
COMPLETE ASSEMBLY H8603-( ) INCLUDES NOSE PIECE, PULLER, AND HANDLE ASSY
OR
ARBOR PRESS INSTALLATION TOOL
( * ANVIL AND ARBOR ARE TO BE UTILIZED TOGETHER)
REMOVAL TOOL RJC7610-( ), ARBOR PRESS * HW7600-( ), ANVIL* DT1071-( )
HAND INSTALLATION TOOL
NOSE PIECE HN7513-( ), PULLER HP7523-( ), HANDLE ASSEMBLY TA7533
P
ISSUED
PER DCN 12955, CHANGED FROM Alcoa Fastening Systems AND AFS TO
Alcoa Fastening Systems & Rings AND AFSR, UPDATED FINISH SPECS
11/3/2005
REVISED 3/27/2015
PAGE
2 OF 2
CAPTIVE SCREW, ALL SIZES,
OPTIONAL RECESS
TOLERANCE UNLESS
OTHERWISE NOTED:
.X = .05
.XX = .02
.XXX = .015
ANGLES 0.5
DIMENSIONS IN INCHES
DRAWN BY
CHECKED BY
J. SCHLOBOHM
SIGNATURE ON FILE
HJ( )( )7940
S-2995
This dra win g/docu mentatio n is control led b y either the De pa rtme nt of Sta te, Intern ationa l Tra ffic In Arms R egu la tio ns or the De partmen t of C ommerce , Expo rt Admi nistratio n Reg ula ti ons an d
may req uire a n expo rt li cense /l icen se excep ti on pr ior to bein g tr ansferred to a forei gn na ti ona l, i nsid e or outsid e of th e United States. EAR/ECCN EAR 99. Th ese comm oditie s, techn olo gy or
software w ere exp orted from th e Uni te d Sta te s i n accord ance w ith th e Export Admin istration R egu la tio ns. Di versio n contrary to U.S. l aw pro hibi te d.