National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.
Reference/Part Number
CAGE Information
Code |
Company |
10001 |
NAVAIR AND NAVSEA MANAGED ORIGINAL D |
80064 |
NAVAL SHIP SYSTEMS COMMAND |
93232 |
CURTISS-WRIGHT ELECTRO-MECHANICAL CO |
81348 |
FEDERAL SPECIFICATIONS PROMULGATED B |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
AASA |
THREAD LENGTH |
0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
AASL |
HEAD DIAMETER |
0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
AASK |
HEAD STYLE |
FILLISTER |
ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 4S STYLE |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
AASU |
HEAD HEIGHT |
0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
ZZZX |
DEPARTURE FROM CITED DESIGNATOR |
AS MODIFIED BY MATERIAL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
CYAU |
SCREW MATERIAL |
NICKEL ALLOY 400 |
AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
THSD |
THREAD SERIES DESIGNATOR |
UNC |
AAJD |
THREAD CLASS |
2A |
CMLP |
THREAD QUANTITY PER INCH |
20 |
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