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 |
---|---|
19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMS |
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CMLP | THREAD QUANTITY PER INCH | 24 |
MATT | MATERIAL | STEEL COMP 4140 OVERALL |
AAWC | FIRST DIAMETER FROM HEAD | 0.312 INCHES NOMINAL |
AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3A |
AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |
CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.413 INCHES NOMINAL FIRST HOLE |
AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.344 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AAWD | SECOND DIAMETER FROM HEAD | 0.285 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
AASK | HEAD STYLE | DEE CHAMFER |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASA | THREAD LENGTH | 0.500 INCHES MINIMUM |
AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
AAWE | THIRD DIAMETER FROM HEAD | 0.312 INCHES NOMINAL |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.406 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
AASL | HEAD DIAMETER | 0.562 INCHES NOMINAL |