Part Number
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES UNDERCUT FOR THREAD RELIEF). IT IS NO. 0 (0.060 IN.) (1.5 MM) OR LARGER, AND IS DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE ALSO BOLT, EXTERNALLY RELIEVED BODY AND BOLT, INTERNAL WRENCHING.
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 |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.062 INCHES NOMINAL |
AAWE | THIRD DIAMETER FROM HEAD | 0.322 INCHES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
MATT | MATERIAL | STEEL COMP 304 OVERALL |
AATB | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
AAWC | FIRST DIAMETER FROM HEAD | 0.468 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASU | HEAD HEIGHT | 0.187 INCHES NOMINAL |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
THSD | THREAD SERIES DESIGNATOR | UNF |
AAJD | THREAD CLASS | 2A |
AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.125 INCHES NOMINAL |
AASK | HEAD STYLE | HEXAGON |
AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.875 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
AAWD | SECOND DIAMETER FROM HEAD | 0.500 INCHES NOMINAL |
AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
AASA | THREAD LENGTH | 0.625 INCHES MAXIMUM |