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 |
|---|---|
| 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| AASK | HEAD STYLE | FILLISTER |
| AASA | THREAD LENGTH | 0.312 INCHES MINIMUM |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| AASB | FASTENER LENGTH | 1.250 INCHES MINIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.938 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.125 INCHES MINIMUM AND 0.131 INCHES MAXIMUM |
| ASXK | HOLE QUANTITY | 1 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-52263 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.046 INCHES NOMINAL |
| BQDM | HOLE TYPE | DRILLED |
| CRHC | HOLE CONFIGURATION STYLE | ROUND |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AASL | HEAD DIAMETER | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |