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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
91340 MET-PRO CORPORATION

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQHQ MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
CQHQ MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
AGAV END ITEM IDENTIFICATION MRAP-RG-33 ARMORED UTILITY VEHICLE (AUV)
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
ZZZT NONDEFINITIVE SPEC/STD DATA 2 TYPE OR 10P STYLE
AATB WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
AASA THREAD LENGTH 1.000 INCHES MAXIMUM
AASU HEAD HEIGHT 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
CQFM HARDNESS RATING 80.0 ROCKWELL C MINIMUM OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
MATT MATERIAL STEEL COMP 305 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 316 OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CMLP THREAD QUANTITY PER INCH 20
SFTT SURFACE TREATMENT PASSIVATE OVERALL
AASB FASTENER LENGTH 1.000 INCHES NOMINAL

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