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 |
|---|---|
| 11083 | CATERPILLAR INC. DBA CATERPILLAR DIV |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 12.7 MILLIMETERS NOMINAL |
| AASA | THREAD LENGTH | 20.57 MILLIMETERS NOMINAL |
| AAJD | THREAD CLASS | 3A |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 76.2 MILLIMETERS NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 10.41 MILLIMETERS MINIMUM AND 10.91 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 12.7 MILLIMETERS NOMINAL |
| AATD | EXTENDED WASHER THICKNESS | 2.55 MILLIMETERS MINIMUM AND 3.55 MILLIMETERS MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AATC | EXTENDED WASHER DIAMETER | 19.05 MILLIMETERS NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 55.63 MILLIMETERS NOMINAL |