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 |
|---|---|
| 81205 | THE BOEING COMPANY DBA BOEING DIV DE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.560 INCHES MINIMUM AND 2.620 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.820 INCHES MINIMUM AND 1.880 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.220 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAWD | SECOND DIAMETER FROM HEAD | 0.200 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AASA | THREAD LENGTH | 0.410 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASXK | HOLE QUANTITY | 1 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| AAUB | HOLE DIAMETER | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAWE | THIRD DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 3.090 INCHES MINIMUM AND 3.190 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| AASK | HEAD STYLE | DISHED HEXAGON |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| BQDM | HOLE TYPE | DRILLED |
| AAWC | FIRST DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |