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 |
|---|---|
| 89944 | KOLLSMAN INC. |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 85000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| AASL | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.610 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| AAWC | FIRST DIAMETER FROM HEAD | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASA | THREAD LENGTH | 0.220 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |