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 |
|---|---|
| 55820 | HAMILTON SUNDSTRAND CORPORATION DIV |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.688 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.970 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.172 INCHES NOMINAL FIRST HOLE |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.165 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.280 INCHES NOMINAL FIRST HOLE |
| AAUB | HOLE DIAMETER | 0.051 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AASK | HEAD STYLE | HEXAGON |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |