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 |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
AASK | HEAD STYLE | KNURLED NO. 1 |
AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
MATT | MATERIAL | STEEL COMP 303 OVERALL |
AASL | HEAD DIAMETER | 0.380 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.562 INCHES NOMINAL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AAWD | SECOND DIAMETER FROM HEAD | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
AAJD | THREAD CLASS | 2A |
AASA | THREAD LENGTH | 0.188 INCHES MAXIMUM |
AAWC | FIRST DIAMETER FROM HEAD | 0.266 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 32 |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |