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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
56442 DIAMOND REO TRUCK CO

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.857 INCHES MINIMUM
AASA THREAD LENGTH 0.857 INCHES MINIMUM
AATB WIDTH BETWEEN FLATS 0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
CQHQ MINIMUM YIELD STRENGTH 130000 POUNDS PER SQUARE INCH
AAJF THREAD DIRECTION RIGHT-HAND
AAUB HOLE DIAMETER 0.062 INCHES NOMINAL
CMLP THREAD QUANTITY PER INCH 14
AASU HEAD HEIGHT 0.262 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
ASXK HOLE QUANTITY 1
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
CRHC HOLE CONFIGURATION STYLE HEXAGON FLATS
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
BQDM HOLE TYPE DRILLED
AASB FASTENER LENGTH 1.000 INCHES NOMINAL

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