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 |
---|---|
3B150 | RAYTHEON TECHNICAL SERVICES COMPANY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASK | HEAD STYLE | KNURLED NO. 2 |
AASK | HEAD STYLE | KNURLED NO. 2 |
AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.062 INCHES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AAWD | SECOND DIAMETER FROM HEAD | 0.159 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
AAJF | THREAD DIRECTION | RIGHT-HAND |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
FEAT | SPECIAL FEATURES | CONE POINT,60.0 DEGREE ANGLE |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AAWC | FIRST DIAMETER FROM HEAD | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 20 |
AASA | THREAD LENGTH | 0.375 INCHES MINIMUM |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AASL | HEAD DIAMETER | 0.750 INCHES NOMINAL |
AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |