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 |
|---|---|
| 11449 | TURBO POWER & MARINE SYSTEM INC SUB |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| AAJD | THREAD CLASS | 1A |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AATD | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASA | THREAD LENGTH | 0.441 INCHES MINIMUM AND 0.512 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AATC | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASB | FASTENER LENGTH | 0.512 INCHES MINIMUM AND 0.532 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.422 INCHES NOMINAL FIRST HOLE |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.050 INCHES NOMINAL FIRST HOLE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |