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 |
|---|---|
| 77445 | UNITED TECHNOLOGIES CORPORATION DBA |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.500 INCHES NOMINAL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.625 INCHES NOMINAL FIRST HOLE |
| AATB | WIDTH BETWEEN FLATS | 1.125 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.157 INCHES MAXIMUM FIRST HOLE |
| AASB | FASTENER LENGTH | 4.000 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| ANEE | GRIP LENGTH | 2.750 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 10 |
| AASA | THREAD LENGTH | 1.250 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |