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 |
|---|---|
| 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE- |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| CQFM | HARDNESS RATING | 302.0 BRINELL STANDARD MINIMUM OVERALL AND 351.0 BRINELL STANDARD MAXIMUM OVERALL |
| AASA | THREAD LENGTH | 1.750 INCHES MINIMUM AND 1.938 INCHES MAXIMUM |
| CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATB | WIDTH BETWEEN FLATS | 0.985 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | DISTORTIONS BEARING SURFACE OF HEAD |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASB | FASTENER LENGTH | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| CBBL | FEATURES PROVIDED | UNFINISHED HEAD |