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 |
|---|---|
| 55974 | HONEYWELL INTL INC DEFENSE AVIONICS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQHQ | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP XM-7 OVERALL |
| AASA | THREAD LENGTH | 1.375 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| THSD | THREAD SERIES DESIGNATOR | UNRF |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.125 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.151 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 4TH MATERIAL RESPONSE OVERALL OR 66 FED STD 2ND MATERIAL RESPONSE OVERALL OR 66 FED STD 1ST MATERIAL RESPONSE OVERALL OR 66 FED STD 3RD MATERIAL RESPONSE OVERALL OR 66GHASTM A493 FED STD 5TH MATERIAL RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
| AASL | HEAD DIAMETER | 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AASU | HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |