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 |
|---|---|
| 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE |
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 | 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.843 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AAWC | FIRST DIAMETER FROM HEAD | 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| AAWL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 1.025 INCHES NOMINAL |
| AAWF | FOURTH DIAMETER FROM HEAD | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.092 INCHES NOMINAL |
| AAWG | FIFTH DIAMETER FROM HEAD | 0.139 INCHES MINIMUM AND 0.149 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.266 INCHES MINIMUM |
| AAWM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER | 1.165 INCHES NOMINAL |
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.963 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASU | HEAD HEIGHT | 0.412 INCHES NOMINAL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 5 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAWE | THIRD DIAMETER FROM HEAD | 0.125 INCHES NOMINAL |
| AAJD | THREAD CLASS | 2A |
| AAWD | SECOND DIAMETER FROM HEAD | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |