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Part Number

Part Number:
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.

CAGE Information

Code Company
80372 MARINE CORPS

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
CMLP THREAD QUANTITY PER INCH 24
AASB FASTENER LENGTH 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
AASA THREAD LENGTH 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
CYBA SCREW SURFACE TREATMENT PASSIVATE
AAJF THREAD DIRECTION RIGHT-HAND
AASU HEAD HEIGHT 0.133 INCHES MAXIMUM
AASK HEAD STYLE WATERTIGHT
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
CBBL FEATURES PROVIDED O RING
AASL HEAD DIAMETER 0.403 INCHES MAXIMUM
CYAU SCREW MATERIAL STEEL CORROSION RESISTING

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