Part Details | KEY HEAD BOLT
5306-00-377-6777 A headed externally threaded fastener whose threaded portion is of one nominal diameter with a single rectangular or triangular projection on the underside of the head.
Alternate Parts: 5224, X5224, 5306-00-377-6777, 00-377-6777, 5306003776777, 003776777
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1961 | 00-377-6777 | 15942 ( BOLT, KEY HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
Cross Reference | NSN 5306-00-377-6777
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5224 | 46717 | PETTIBONE LLC |
| X5224 | 46717 | PETTIBONE LLC |
Technical Data | NSN 5306-00-377-6777
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 1.250 INCHES |
| THREAD QUANTITY PER INCH | 7 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.500 INCHES MINIMUM |
| FASTENER LENGTH | 6.500 INCHES NOMINAL |
| HEAD STYLE | 1 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 2.156 INCHES NOMINAL |
| KEY LENGTH | 0.469 INCHES NOMINAL |
| HEAD HEIGHT | 0.656 INCHES NOMINAL |
| COUNTERSINK ANGLE | 78.0 DEGREES NOMINAL |
| SPECIAL FEATURES | FURNISHED W/1 NUT AND 1 WASHER |