NSN 5306-00-012-6638
Part Details | SQUARE NECK BOLT
5306-00-012-6638 A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
Alternate Parts: FFB584, 5306-00-012-6638, 00-012-6638, 5306000126638, 000126638
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-012-6638 | 15939 ( BOLT, SQUARE NECK ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
Cross Reference | NSN 5306-00-012-6638
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFB584 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5306-00-012-6638
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES MINIMUM |
| FASTENER LENGTH | 4.000 INCHES NOMINAL |
| HEAD STYLE | 0 DISHED HEXAGON |
| HEAD DIAMETER | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| NECK LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| NECK WIDTH | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | I TYPE AND 1 CLASS AND A STYLE |
