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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
88907 BRUNSWICK CORPORATION DBA MERCURY MA

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AATB WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
MATT MATERIAL STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316 OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
AASU HEAD HEIGHT 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AASB FASTENER LENGTH 0.625 INCHES NOMINAL
CQBC MINIMUM TENSILE STRENGTH 80 POUNDS PER SQUARE INCH
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CMLP THREAD QUANTITY PER INCH 20
AASA THREAD LENGTH 0.625 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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