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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
96906 MILITARY STANDARDS PROMULGATED BY MI

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQHQ MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
MATT MATERIAL STEEL COMP 321 OVERALL OR STEEL COMP 324 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 322 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 347 OVERALL
AASA THREAD LENGTH 1.313 INCHES MINIMUM
ZZZT NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 10P STYLE
AASB FASTENER LENGTH 4.656 INCHES MINIMUM AND 4.750 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
CSYM SURFACE FINISH 63.0 MICROINCHES THREADS
AAJF THREAD DIRECTION RIGHT-HAND
CMLP THREAD QUANTITY PER INCH 14
CQFM HARDNESS RATING 80.0 ROCKWELL B MINIMUM OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AASU HEAD HEIGHT 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AATB WIDTH BETWEEN FLATS 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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