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 |
|---|---|
| 33116 | KELSEY-HAYES CO WHEEL DRUM AND BRAKE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CRSQ | COUNTERSINK ANGLE | 60.0 DEGREES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| AASB | FASTENER LENGTH | 0.906 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | +0.5224/+0.5254 INCHES |
| AATB | WIDTH BETWEEN FLATS | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
| FEAT | SPECIAL FEATURES | COUNTERSINK IN TOP OF HEAD 1/2 IN. DIA BY 1/16 IN. DEEP |
| AASK | HEAD STYLE | HEXAGON COUNTERSUNK |
| MATT | MATERIAL | STEEL COMP 1031 OVERALL OR STEEL COMP 1035 OVERALL |
| CQFM | HARDNESS RATING | 89.0 ROCKWELL B MINIMUM OVERALL AND 95.0 ROCKWELL B MAXIMUM OVERALL |
| AASA | THREAD LENGTH | 0.656 INCHES MINIMUM |