CFB( )7950

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.
R
CAPTIVE SCREW
ENGINEERING
STANDARD
G
7/64 HEX SOCKET
PER ANSI B18.3
TOP PANEL
GRIP
THICKNESS
K
6
D
J
.150 MAX
C
D
THREAD
SIZE
CODE
4
6
8
ØC
ØD
MAX ±.010
L
.065 MIN
PANEL
PREPARATION
5
1. SCREW HAS .015 TOTAL FLOAT
2
THIS LENGTH IS ONLY AVAILABLE
FOR CFBA7950( )-4 AND CFBT 7950( )-6.
3
SEE TABLE FOR SIZE 8 AVAILABILITY.
4
-17 LENGTH ONLY.
5
THIS HEAD STYLE IS ONLY AVAILABLE
FOR CFBR7950(L)-6.
6
SPECIFIED THREAD LENGTH
AVAILABILITY LIMITED BY SLEEVE
GRIP/STUD LENGTH COMBINATION.
PART NUMBER CALLOUT
CFB ( ) 7950 ( ) -( ) -( ) -( )
2
LENGTH
CODE
L
6.5
7
8
8.3
8.5
9
10
17
.375
.425
.500
.530
.550
.562
.625
1.062
GRIP
CODE
SERIES
J
THREAD SIZE
4
6
8
.250
.155
.500
.250
.250
N/A
N/A
N/A
R
ISSUED
3
4
5
.031-.049
.050-.075
.076-.105
THREAD
SIZE
CODE
THREAD SIZE PER
ASME B1.1
4
6
8
.112-40 UNC-3A
.138-32 UNC-3A
.164-32 UNC-3A
MATERIAL
CODE
SCREW
MATERIAL
NONE
L
302 CRES
A-286 CRES
SIZE 8 AVAILABILITY
A
B
C
.050
.076
.106
2/10/2006
1 OF 1
MATERIAL:
SCREW:
CFB( )7950: 302 CRES PER ASTM-A-493
OR AMS 5636
CFB( )7950L: A-286 CRES PER AMS 5732
OR AMS 5737, HEAT TREAT
TO 160KSI MIN. U.T.S
SLEEVE:
7075-T6 OR 7075-T4 ALUMINUM ALLOY PER
AMS 4122 OR AMS QQ-A-225/9
SPRING:
302 CRES PER AMS 5688 OR ASTM-A-313
FINISH:
CFB( )7950(L) EXCEPT CFBR7950(L):
SCREW: BLACK OXIDE PER MIL-DTL-13924,
CLASS 3 (A-286) OR CLASS 4 (302)
SLEEVE: BLACK ANODIZE PER MIL-A-8625,
TYPE I I, CLASS 2
SPRING: BLACK OXIDE PER MIL-DTL-13924,
CLASS 4
3
7 OR LONGER
8 OR LONGER
8.3 OR LONGER
PER DCN 12954, CHANGED FROM Alcoa Fastening Systems AND AFS
TO Alcoa Fastening Systems & Rings AND AFSR
REVISED 3/31/2015
PAGE
G
K
TOP PANEL
+.010
GRIP
-.000
THICKNESS
A
B
C
MODEL
.155
.250
N/A
N/A
SCREW ASSEMBLY
AFTER MOUNTING
NOTES:
.219 .250 .162 .206 .075
.270 .325 .190 .219 .090
.322 .375 .228 .250 .117
A
T
N
R
U
C'BORE
OPTIONAL
SCREW ASSEMBLY
BEFORE MOUNTING
ØQ ØR ØU
+.004 +.020 +.005
-.001 -.000 -.000
THREAD
LENGTH
CODE
R
.040
MIN
CROSS RECESS
PER NASM9006
PAN HEAD
5
Q
CAPTIVE SCREW, SNAP-IN, FLOATING,
SPRING-LOADED,OPTIONAL RECESS,
CFBR7950, CFBR7950L:
SCREW & SPRING: PASSIVATE PER AMS2700.
SLEEVE: BLACK ANODIZE PER MIL-A-8625,
TYPE I I, CLASS 2
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
CFB( )7950
S-2825
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.
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