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 |
|---|---|
| 3B150 | RAYTHEON TECHNICAL SERVICES COMPANY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AASA | THREAD LENGTH | 0.218 INCHES MINIMUM |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| AASB | FASTENER LENGTH | 0.753 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.326 INCHES MINIMUM AND 0.387 INCHES MAXIMUM |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AASK | HEAD STYLE | BINDING |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| FEAT | SPECIAL FEATURES | CONE POINT 90 DEG OF ANGLE |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | H296MR005 FSCM 0503 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASU | HEAD HEIGHT | 0.097 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.109 INCHES NOMINAL |