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 |
|---|---|---|
| AASB | FASTENER LENGTH | 1.750 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.750 INCHES NOMINAL |
| AASA | THREAD LENGTH | 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| CQHQ | MINIMUM YIELD STRENGTH | 60000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL COMP 1025 OVERALL OR STEEL COMP 1026 OVERALL OR STEEL COMP 1029 OVERALL OR STEEL COMP 1030 OVERALL OR STEEL COMP 1035 OVERALL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATB | WIDTH BETWEEN FLATS | 0.737 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.531 INCHES NOMINAL FIRST HOLE |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASU | HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.386 INCHES MAXIMUM |