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 | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290,CL 1 GRADE F FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 0.625 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| MATT | MATERIAL | COPPER ALLOY 360 OVERALL |
| AASU | HEAD HEIGHT | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 40 |
| SFTT | SURFACE TREATMENT | NICKEL OVERALL |