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 |
|---|---|
| 0D0D0 | BAE SYSTEMS INFORMATION AND ELECTRON |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| AATC | EXTENDED WASHER DIAMETER | 0.400 INCHES NOMINAL |
| AATD | EXTENDED WASHER THICKNESS | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.460 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAWC | FIRST DIAMETER FROM HEAD | 0.198 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2A |
| AATB | WIDTH BETWEEN FLATS | 0.427 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.925 INCHES NOMINAL |