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 |
---|---|
99995 | NATO STOCK NUMBER ASSIGNED BY ANOTHE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASA | THREAD LENGTH | 0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNJF |
MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
AASL | HEAD DIAMETER | 0.625 INCHES NOMINAL |
AASB | FASTENER LENGTH | 1.080 INCHES NOMINAL |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.530 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 0.431 INCHES MINIMUM AND 0.488 INCHES MAXIMUM |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
AASU | HEAD HEIGHT | 0.120 INCHES NOMINAL |
AAWD | SECOND DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
AAWC | FIRST DIAMETER FROM HEAD | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |