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 |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQFM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CQFM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQBC | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL COMP 1019 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1536 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1023 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1030 OVERALL OR STEEL COMP 1034 OVERALL OR STEEL COMP 1035 OVERALL OR STEEL COMP 1037 OVERALL OR STEEL COMP 1524 OVERALL OR STEEL COMP 1527 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1029 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1038 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1039 OVERALL OR STEEL COMP 1026 OVERALL OR STEEL COMP 1033 OVERALL OR STEEL COMP 1541 OVERALL |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 5 GRADE |
| AASA | THREAD LENGTH | 1.000 INCHES MINIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 13 |
| AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |