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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
53711 NAVAL SEA SYSTEMS COMMAND

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASB FASTENER LENGTH 1.750 INCHES NOMINAL
AASA THREAD LENGTH 1.750 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 1.125 INCHES NOMINAL
CQHQ MINIMUM YIELD STRENGTH 90000 POUNDS PER SQUARE INCH
AAUM LOCKING FEATURE PATCH THREADS OR PELLET THREADS OR STRIP THREADS
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL NICKEL ALLOY 500 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-1222,TY I,GR 500 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AGAV END ITEM IDENTIFICATION LOS ANGELES CLASS SSN (688),AUX 2,AEOG S
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.750 INCHES
CQBC MINIMUM TENSILE STRENGTH 155000 POUNDS PER SQUARE INCH
CMLP THREAD QUANTITY PER INCH 10
CQFM HARDNESS RATING 24.0 ROCKWELL C MINIMUM OVERALL
AASU HEAD HEIGHT 0.483 INCHES NOMINAL

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