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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
09647 AQUA-CHEM INC.

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 1.750 INCHES NOMINAL
AASU HEAD HEIGHT 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
CBBL FEATURES PROVIDED FINISHED HEAD
AATB WIDTH BETWEEN FLATS 1.100 INCHES MINIMUM AND 1.299 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL COPPER ALLOY 661 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM B98 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.750 INCHES
CMLP THREAD QUANTITY PER INCH 10
AASB FASTENER LENGTH 3.500 INCHES NOMINAL

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