Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION THROUGH HOLES IN ASSEMBLED PARTS AND NORMALLY INTENDED TO BE TIGHTENED OR RELEASED BY TORQUING A NUT. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF ONE NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. FOR ITEMS HAVING A GRIP LENGTH PORTION MACHINED TO A TOLERANCE OF 0.0015 INCH (0.038 MM) OR LESS, BOLT, SHEAR. SEE ALSO SCREW, CAP, HEXAGON HEAD AND SCREW, MACHINE.
CAGE Information
Code | Company |
---|---|
81349 | MILITARY SPECIFICATIONS PROMULGATED |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASA | THREAD LENGTH | 1.125 INCHES MINIMUM |
AASA | THREAD LENGTH | 1.125 INCHES MINIMUM |
ANEE | GRIP LENGTH | 1.500 INCHES NOMINAL |
ASXK | HOLE QUANTITY | 2 |
AAUB | HOLE DIAMETER | 0.125 INCHES NOMINAL |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
AAJD | THREAD CLASS | 3A |
AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
AASB | FASTENER LENGTH | 2.625 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-1222,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 8 GRADE |
CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
MATT | MATERIAL | STEEL OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |
AASK | HEAD STYLE | HEXAGON |
CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
BQDM | HOLE TYPE | DRILLED |
CMLP | THREAD QUANTITY PER INCH | 13 |
AATB | WIDTH BETWEEN FLATS | 0.812 INCHES NOMINAL |