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 |
|---|---|---|
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| AATB | WIDTH BETWEEN FLATS | 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B 633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASB | FASTENER LENGTH | 7.562 INCHES MINIMUM AND 7.870 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.250 INCHES MINIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| MATT | MATERIAL | STEEL COMP 1006 OVERALL OR STEEL COMP 1008 OVERALL OR STEEL COMP 1009 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1005 OVERALL OR STEEL COMP 1541 OVERALL OR STEEL COMP 1536 OVERALL OR STEEL COMP 1527 OVERALL OR STEEL COMP 1524 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1039 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1026 OVERALL OR STEEL COMP 1023 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1038 OVERALL OR STEEL COMP 1037 OVERALL OR STEEL COMP 1029 OVERALL OR STEEL COMP 1030 OVERALL OR STEEL COMP 1033 OVERALL OR STEEL COMP 1034 OVERALL OR STEEL COMP 1035 OVERALL OR STEEL COMP 1011 OVERALL |
| AASU | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 2 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 13 |