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 |
|---|---|
| 77820 | AMPHENOL CORPORATION DBA AMPHENOL AE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 5 |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE |
| AASA | THREAD LENGTH | 0.110 INCHES MINIMUM |
| AASU | HEAD HEIGHT | 0.750 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 1.280 INCHES NOMINAL |
| AAWD | SECOND DIAMETER FROM HEAD | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 40 |