NSN 5306-01-266-8301
Part Details | MACHINE BOLT
5306-01-266-8301 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.
Alternate Parts: BR21116281, BR2111-6281, ST26D586281, ST26D58-6281, 5306-01-266-8301, 01-266-8301, 5306012668301, 012668301
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 31, 1987 | 01-266-8301 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5306-01-266-8301
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BR2111-6281 | 17023 | BRUCE AEROSPACE INC. |
| ST26D58-6281 | 04236 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN SPACE SYSTEMS |
Technical Data | NSN 5306-01-266-8301
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM AND 0.872 INCHES MAXIMUM |
| FASTENER LENGTH | 2.577 INCHES MINIMUM AND 2.607 INCHES MAXIMUM |
| HEAD HEIGHT | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.751 INCHES MAXIMUM |
| GRIP LENGTH | 1.735 INCHES MINIMUM AND 1.765 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| SPECIAL FEATURES | FURNISHED WITH TAB,WASHER,SPACER; TAB AND WASHER CRES PER MIL-S-6069 COMP 301 COND A; SPACER TYPE 303SE COND A; ALL PARTS PASSIVATED PER QQ-P-35 |