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Part Number

Part Number:
NSN:
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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
59556 KOVATCH CORP.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASB FASTENER LENGTH 1.750 INCHES NOMINAL
AASB FASTENER LENGTH 1.750 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.625 INCHES
AATB WIDTH BETWEEN FLATS 0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 18
AAJF THREAD DIRECTION RIGHT-HAND
CQBC MINIMUM TENSILE STRENGTH 120000 POUNDS PER SQUARE INCH
ZZZT NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 10P STYLE AND 5 GRADE
AASU HEAD HEIGHT 0.469 INCHES NOMINAL
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AASA THREAD LENGTH 1.500 INCHES MINIMUM
CQFM HARDNESS RATING 23.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL

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