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 |
---|---|
81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CBBL | FEATURES PROVIDED | FINISHED HEAD |
AATB | WIDTH BETWEEN FLATS | 0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
AAJD | THREAD CLASS | 3A |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
AAJF | THREAD DIRECTION | RIGHT-HAND |
MATT | MATERIAL | STEEL OVERALL |
AATD | EXTENDED WASHER THICKNESS | 0.129 INCHES MINIMUM |
THSD | THREAD SERIES DESIGNATOR | UNC |
CQFM | HARDNESS RATING | 58.6 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL |
AASU | HEAD HEIGHT | 0.500 INCHES MAXIMUM |
CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
AATC | EXTENDED WASHER DIAMETER | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
AASA | THREAD LENGTH | 1.330 INCHES MINIMUM AND 1.531 INCHES MAXIMUM |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
AASB | FASTENER LENGTH | 1.484 INCHES MINIMUM AND 1.531 INCHES MAXIMUM |
AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 13 |