National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
Reference/Part Number
CAGE Information
Code |
Company |
06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
73197 |
HI-SHEAR CORPORATION |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
97928 |
HUCK INTL INC |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
76301 |
BOEING COMPANY THE DBA BOEING |
L4528 |
LISI AEROSPACE CANADA CORP |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
CMLP |
THREAD QUANTITY PER INCH |
24 |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
FEAT |
SPECIAL FEATURES |
FURNISHED WITH ONE RUBBER O RING |
AAJD |
THREAD CLASS |
3A |
CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AATN |
SHOULDER DIAMETER |
0.3896 INCHES MINIMUM FIRST SHOULDER AND 0.3901 INCHES MAXIMUM FIRST SHOULDER |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
AASU |
HEAD HEIGHT |
0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM |
AATX |
SHOULDER LENGTH |
1.004 INCHES MINIMUM FIRST SHOULDER AND 1.026 INCHES MAXIMUM FIRST SHOULDER |
MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
AASA |
THREAD LENGTH |
0.615 INCHES MINIMUM AND 0.682 INCHES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
AASL |
HEAD DIAMETER |
0.756 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK UNDERCUT |
AASB |
FASTENER LENGTH |
1.750 INCHES MINIMUM AND 1.797 INCHES MAXIMUM |
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