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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , HEXAGON HEAD

Definition:

AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; AND SCREW, CAP, SOCKET HEAD.

CAGE Information

Code Company
03538 LOCKHEED MARTIN CORPORATION DBA MS2

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
AAUM LOCKING FEATURE PATCH THREADS
AATB WIDTH BETWEEN FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AASU HEAD HEIGHT 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.875 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
THSD THREAD SERIES DESIGNATOR UNF
AASK HEAD STYLE HEXAGON
AASB FASTENER LENGTH 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
MATT MATERIAL NICKEL ALLOY R-405 OVERALL OR NICKEL ALLOY 400 OVERALL OR NICKEL ALLOY K-500 OVERALL OR NICKEL ALLOY 502 OVERALL
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES

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