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 |
|---|---|
| 11871 | RECON/OPTICAL INC. |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AASB | FASTENER LENGTH | 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM |
| AAWC | FIRST DIAMETER FROM HEAD | 0.062 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| CMLP | THREAD QUANTITY PER INCH | 72 |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASL | HEAD DIAMETER | 0.077 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2A |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.016 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 0.032 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.073 INCHES |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |