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 |
---|---|
10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CMLP | THREAD QUANTITY PER INCH | 24 |
SFTT | SURFACE TREATMENT | ZINC OVERALL |
AATB | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASU | HEAD HEIGHT | 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
MATT | MATERIAL | STEEL OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | HEXAGON |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325 FED SPEC ALL TREATMENT RESPONSES OVERALL |
AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
AASA | THREAD LENGTH | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |