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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
53711 NAVAL SEA SYSTEMS COMMAND

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASL HEAD DIAMETER 0.205 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
AASK HEAD STYLE PAN NO. 2
ABQZ INTERNAL DRIVE STYLE SLOT
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
AASU HEAD HEIGHT 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
CYAV LOCKING FEATURE MATERIAL PLASTIC POLYAMIDE
AAUM LOCKING FEATURE PATCH
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.112 INCHES
CYAU SCREW MATERIAL NICKEL ALLOY 400
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
CYAX LOCKING FEATURE MATERIAL DOCUMENT AND CLASSIFICATION MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE
AASB FASTENER LENGTH 0.188 INCHES NOMINAL
AASA THREAD LENGTH 0.138 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 40

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