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 |
|---|---|
| FA1D6 | TECHNIC AVIATION |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATD | EXTENDED WASHER THICKNESS | 0.156 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.525 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.125 INCHES NOMINAL |
| ANEE | GRIP LENGTH | 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD 1ST MATERIAL RESPONSE OVERALL OR SAE ASSN STD 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AAJD | THREAD CLASS | 3A |
| AATB | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATC | EXTENDED WASHER DIAMETER | 0.625 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASU | HEAD HEIGHT | 0.438 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATT | MATERIAL | STEEL COMP 8637 OVERALL OR STEEL COMP 4042 OVERALL OR STEEL COMP 8740 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |