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 |
|---|---|
| 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMS |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ANEE | GRIP LENGTH | 0.188 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.938 INCHES NOMINAL FIRST HOLE |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 2.750 INCHES MINIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEXAGON |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| AASB | FASTENER LENGTH | 3.250 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | UNFINISHED HEAD |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AATB | WIDTH BETWEEN FLATS | 0.812 INCHES NOMINAL |