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 |
|---|---|
| 0AHP5 | CURTISS-WRIGHT CONTROLS INC DIV FLIG |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 0.440 INCHES MINIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.590 INCHES NOMINAL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL |
| AATD | EXTENDED WASHER THICKNESS | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AATC | EXTENDED WASHER DIAMETER | 0.780 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.420 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASB | FASTENER LENGTH | 1.030 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AASU | HEAD HEIGHT | 0.400 INCHES NOMINAL |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |