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 |
|---|---|
| 19133 | MCDONNELL DOUGLAS CORP MCDONNELL DOU |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASL | HEAD DIAMETER | 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNRC |
| FEAT | SPECIAL FEATURES | ALTERED ITEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| ASDB | WIDTH ACROSS FLATS | 0.937 INCHES MINIMUM AND 0.957 INCHES MAXIMUM |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AAWC | FIRST DIAMETER FROM HEAD | 0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
| CQHQ | MINIMUM YIELD STRENGTH | 120000 POUNDS PER SQUARE INCH |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
| AGAV | END ITEM IDENTIFICATION | F-15I |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.125 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 40 |