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 |
|---|---|
| 35311 | AMERICAN STANDARD INC WESTINGHOUSE A |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CRSQ | COUNTERSINK ANGLE | 60.0 DEGREES NOMINAL |
| AASB | FASTENER LENGTH | 3.031 INCHES NOMINAL |
| AASA | THREAD LENGTH | 1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM |
| AASM | BOTTOM COUNTERSINK DIAMETER | 0.771 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.250 INCHES MINIMUM AND 1.374 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2A |
| AASU | HEAD HEIGHT | 0.531 INCHES NOMINAL |