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 |
53711 |
NAVAL SEA SYSTEMS COMMAND |
78741 |
HITCO CARBON COMPOSITES INC. |
81349 |
MILITARY SPECIFICATIONS PROMULGATED |
80204 |
AMERICAN NATIONAL STANDARDS INSTITUT |
81348 |
FEDERAL SPECIFICATIONS PROMULGATED B |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.685 INCHES MINIMUM AND 0.762 INCHES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
AASA |
THREAD LENGTH |
0.333 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 2S STYLE |
CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
AASB |
FASTENER LENGTH |
0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
CYAU |
SCREW MATERIAL |
NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
CMLP |
THREAD QUANTITY PER INCH |
16 |
THSD |
THREAD SERIES DESIGNATOR |
UNC |
AAJD |
THREAD CLASS |
2A |
AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
CRSQ |
COUNTERSINK ANGLE |
82.0 DEGREES NOMINAL |
ZZZW |
DEPARTURE FROM CITED DOCUMENT |
AS MODIFIED BY MATERIAL |
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