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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
54752 R G ROLLIN CO

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQHQ MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
AASA THREAD LENGTH 0.875 INCHES MINIMUM AND 1.063 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AASB FASTENER LENGTH 4.156 INCHES MINIMUM AND 4.250 INCHES MAXIMUM
ZZZT NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 10P STYLE
AASU HEAD HEIGHT 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 317 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 385 OVERALL
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
CMLP THREAD QUANTITY PER INCH 18
AAJF THREAD DIRECTION RIGHT-HAND
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 ASSN STD 2ND MATERIAL RESPONSE OVERALL
CQFM HARDNESS RATING 80.0 ROCKWELL B MINIMUM OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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