Part Details | SQUARE NECK BOLT
5306-00-021-8156 A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
Alternate Parts: 218156, 5306000218156, 218156, MS3575440, MS35754-40, 5306-00-021-8156, 00-021-8156, 5306000218156, 000218156
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-021-8156 | 15939 ( BOLT, SQUARE NECK ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
Cross Reference | NSN 5306-00-021-8156
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 218156 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
| 5306000218156 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| 218156 | 24617 | GENERAL MOTORS CORP |
| MS35754-40 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5306-00-021-8156
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 13 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.250 INCHES MINIMUM |
| FASTENER LENGTH | 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM |
| MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.875 INCHES MINIMUM AND 0.945 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| NECK LENGTH | 0.375 INCHES MINIMUM AND 0.417 INCHES MAXIMUM |
| NECK WIDTH | 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |