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 |
|---|---|
| 02978 | L-3 COMMUNICATIONS CORPORATION DBA C |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AAJD | THREAD CLASS | 3A |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.245 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AATB | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.547 INCHES MINIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.438 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.938 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |