The Bolt,hook, cataloged under National Stock Number 5306-01-425-6228, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-425-6228 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Distance From Inside of Bend to Shank End | 4.291 INCHES NOMINAL IN |
| Thread Length | 1.110 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Hook Inside Width | 0.453 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Shank Length | 47.0 MILLIMETERS MINIMUM AND 49.0 MILLIMETERS MAXIMUM MM |
| Style Designator | OFF-SET ROUND BEND |
| Material Document and Classification | AST A581, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 416 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hook Opening Width | 0.453 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2373349 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-425-6228 is a Bolt,hook, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-425-6228: Distance From Inside of Bend to Shank End: 4.291 INCHES NOMINAL IN; Thread Length: 1.110 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Hook Inside Width: 0.453 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Shank Length: 47.0 MILLIMETERS MINIMUM AND 49.0 MILLIMETERS MAXIMUM MM. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.