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 |
|---|---|
| 35311 | AMERICAN STANDARD INC WESTINGHOUSE A |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 1.625 INCHES MINIMUM AND 1.687 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 9.687 INCHES MINIMUM AND 9.750 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 9.470 INCHES MINIMUM FIRST HOLE AND 9.530 INCHES MAXIMUM FIRST HOLE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEXAGON |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.187 INCHES NOMINAL FIRST HOLE |
| CBBL | FEATURES PROVIDED | UNFINISHED HEAD |
| AASU | HEAD HEIGHT | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AATB | WIDTH BETWEEN FLATS | 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |