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 |
|---|---|
| 30003 | NAVAL AIR SYSTEMS COMMAND |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AAWD | SECOND DIAMETER FROM HEAD | 0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| AASU | HEAD HEIGHT | 0.026 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.760 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.059 INCHES NOMINAL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.120 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASXK | HOLE QUANTITY | 3 |
| AAWC | FIRST DIAMETER FROM HEAD | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| CQBC | MINIMUM TENSILE STRENGTH | 128000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 0.679 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.370 INCHES NOMINAL |
| BQDM | HOLE TYPE | DRILLED |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASA | THREAD LENGTH | 0.240 INCHES NOMINAL |