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 |
---|---|
13035 | DEPT OF THE AIR FORCE TECHNOLOGY INT |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASB | FASTENER LENGTH | 4.406 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
AASA | THREAD LENGTH | 4.295 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
AASU | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
CMLP | THREAD QUANTITY PER INCH | 18 |
SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
CQHQ | MINIMUM YIELD STRENGTH | 120000 POUNDS PER SQUARE INCH |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE 2 ASSN STD ALL TREATMENT RESPONSES OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AATB | WIDTH BETWEEN FLATS | 0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
ASXK | HOLE QUANTITY | 1 |
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 |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | HEXAGON |
CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A354, GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
BQDM | HOLE TYPE | DRILLED |
AAUB | HOLE DIAMETER | 0.0625 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |