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 |
|---|---|
| 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATD | EXTENDED WASHER THICKNESS | 0.064 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.064 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AASB | FASTENER LENGTH | 0.803 INCHES MINIMUM AND 0.823 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AATB | WIDTH BETWEEN FLATS | 0.219 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.438 INCHES MINIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | SQUARE EXTENDED WASHER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | COPPER ALLOY 482 OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 20 |