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 |
|---|---|
| 30003 | NAVAL AIR SYSTEMS COMMAND |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AASU | HEAD HEIGHT | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| AAWC | FIRST DIAMETER FROM HEAD | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| MATT | MATERIAL | STEEL COMP 316L OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 385 OVERALL |
| AAJD | THREAD CLASS | 2A |
| FEAT | SPECIAL FEATURES | POINT ON THREADED END 0.114 IN. MIN TO 0.130 IN. MAX DIA.,0.156 IN LENGTH. FASTENER HEAD STRAIGHT KNURL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.594 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |