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 |
---|---|
26304 | TORKON FASTENER CORP |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASA | THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
MATT | MATERIAL | STEEL COMP 431 OVERALL |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
AAJD | THREAD CLASS | 3A |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 28 |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASB | FASTENER LENGTH | 0.579 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNF |
CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
AASK | HEAD STYLE | HEXAGON |
AASU | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
ANEE | GRIP LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |