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 |
|---|---|
| I9008 | INTERNATIONAL ORGANIZATION FOR STAND |
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 | 13.0 MILLIMETERS NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| AASB | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL |
| MATT | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.25 |
| AASA | THREAD LENGTH | 17.50 MILLIMETERS MINIMUM |
| AASK | HEAD STYLE | HEXAGON |
| THSD | THREAD SERIES DESIGNATOR | M |
| AASU | HEAD HEIGHT | 5.5 MILLIMETERS NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS |