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 |
76301 |
BOEING COMPANY THE DBA BOEING |
L4528 |
LISI AEROSPACE CANADA CORP |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
73197 |
HI-SHEAR CORPORATION |
97928 |
HUCK INTL INC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AATN |
SHOULDER DIAMETER |
0.2802 INCHES MINIMUM FIRST SHOULDER AND 0.2807 INCHES MAXIMUM FIRST SHOULDER |
AASA |
THREAD LENGTH |
0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
AAJD |
THREAD CLASS |
3A |
CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AASB |
FASTENER LENGTH |
0.801 INCHES MINIMUM AND 0.831 INCHES MAXIMUM |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AATX |
SHOULDER LENGTH |
0.395 INCHES MINIMUM FIRST SHOULDER AND 0.405 INCHES MAXIMUM FIRST SHOULDER |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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