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 |
---|---|
19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMS |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
ANEE | GRIP LENGTH | 0.250 INCHES NOMINAL |
AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
AAJD | THREAD CLASS | 3A |
AASU | HEAD HEIGHT | 0.319 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CQBC | MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.109 INCHES MINIMUM FIRST HOLE AND 0.114 INCHES MAXIMUM FIRST HOLE |
CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.813 INCHES NOMINAL FIRST HOLE |
MATT | MATERIAL | STEEL OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASK | HEAD STYLE | HEXAGON |
SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
CMLP | THREAD QUANTITY PER INCH | 20 |
AATB | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
CBBL | FEATURES PROVIDED | CASEHARDENED AND FINISHED HEAD |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |