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 |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 0.930 INCHES MINIMUM |
| AASA | THREAD LENGTH | 0.930 INCHES MINIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AATD | EXTENDED WASHER THICKNESS | 0.072 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 1.430 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUB | HOLE DIAMETER | 0.062 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.556 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ASXK | HOLE QUANTITY | 4 |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
| AATC | EXTENDED WASHER DIAMETER | 0.823 INCHES NOMINAL |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| ANEE | GRIP LENGTH | 0.500 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AASU | HEAD HEIGHT | 0.400 INCHES NOMINAL |