NSN 5306-00-257-7399
Part Details | INTERNALLY RELIEVED BODY BOLT
5306-00-257-7399 An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.
Alternate Parts: 2653361207, 265-336120-7, 0653361207, 065-336120-7, 5306-00-257-7399, 00-257-7399, 5306002577399, 002577399
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 22, 1973 | 00-257-7399 | 06676 ( BOLT, INTERNALLY RELIEVED BODY ) |
REFERENCE DRAWINGS & PICTURES
CONCENTRIC HOLE UNTHREADED
Cross Reference | NSN 5306-00-257-7399
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 265-336120-7 | 43999 | BOEING COMPANY, THEDBA BOEING |
| 065-336120-7 | 0ESK8 | SABRELINER CORPORATION |
Technical Data | NSN 5306-00-257-7399
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.312 INCHES MINIMUM |
| FASTENER LENGTH | 1.717 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| CONCENTRIC HOLE DIAMETER | 0.194 INCHES NOMINAL |
| HEAD DIAMETER | 0.750 INCHES NOMINAL |
| HEAD HEIGHT | 0.125 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |