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 |
|---|---|
| 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAWC | FIRST DIAMETER FROM HEAD | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AASU | HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| AAJD | THREAD CLASS | 3A |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |