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 |
---|---|
98230 | NATIONAL SECURITY AGENCY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AASB | FASTENER LENGTH | 0.530 INCHES NOMINAL |
MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
AASA | THREAD LENGTH | 0.138 INCHES NOMINAL |
AASL | HEAD DIAMETER | 0.279 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AHYM | NOMINAL THREAD DIAMETER | 0.200 INCHES |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.283 INCHES NOMINAL |
AAWC | FIRST DIAMETER FROM HEAD | 0.095 INCHES NOMINAL |
AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
CMLP | THREAD QUANTITY PER INCH | 32 |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AASU | HEAD HEIGHT | 0.047 INCHES NOMINAL |