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 |
---|---|
C2311 | BUNDESAMT FUER WEHRTECHNIK UND BESCH |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASA | THREAD LENGTH | 1.125 INCHES MINIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
AAWC | FIRST DIAMETER FROM HEAD | 0.585 INCHES MINIMUM AND 0.588 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 18 |
MATT | MATERIAL | STEEL COMP 8640 OVERALL |
AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
AATB | WIDTH BETWEEN FLATS | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASB | FASTENER LENGTH | 1.375 INCHES NOMINAL |
CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | HEXAGON |
CBBL | FEATURES PROVIDED | CASEHARDENED |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL |