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 |
---|---|
80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR CHROMATE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 24 |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
ANEE | GRIP LENGTH | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3A |
AAUB | HOLE DIAMETER | 0.070 INCHES NOMINAL |
MATT | MATERIAL | STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4037 OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
AASK | HEAD STYLE | CROWNED HEXAGON |
ASXK | HOLE QUANTITY | 1 |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASU | HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.182 INCHES MAXIMUM |
CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
AATB | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
BQDM | HOLE TYPE | DRILLED |
AASB | FASTENER LENGTH | 1.750 INCHES MINIMUM AND 1.812 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
AASA | THREAD LENGTH | 1.688 INCHES MINIMUM AND 1.781 INCHES MAXIMUM |