Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , EXTERNALLY RELIEVED BODY
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 UNDERCUTS FOR THREAD RELIEF). IT IS NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND HAS A HEAD WHICH IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, INTERNAL WRENCHING AND THUMBSCREW. SEE ALSO SCREW, EXTERNALLY RELIEVED BODY.
CAGE Information
| Code | Company |
|---|---|
| 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMS |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAWD | SECOND DIAMETER FROM HEAD | 0.390 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.218 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| AAWF | FOURTH DIAMETER FROM HEAD | 0.345 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.078 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM |
| AAWC | FIRST DIAMETER FROM HEAD | 0.360 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AAWL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 1.625 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4135 OVERALL OR STEEL COMP 4047 OVERALL OR STEEL COMP 1335 OVERALL OR STEEL COMP 5135 OVERALL |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 2.182 INCHES MINIMUM AND 2.265 INCHES MAXIMUM |
| AASV | HEAD LENGTH | 0.598 INCHES NOMINAL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.093 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.216 INCHES NOMINAL |
| AAWE | THIRD DIAMETER FROM HEAD | 0.382 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |