The Bolt,hook, cataloged under National Stock Number 5306-01-055-3756, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-055-3756 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Inside of Bend to Shank End | 7.625 INCHES NOMINAL IN |
| Thread Length | 5.750 INCHES MINIMUM IN |
| Hook Inside Width | 0.625 INCHES MINIMUM IN |
| Shank Length | 6.250 INCHES NOMINAL IN |
| Style Designator | OFF-SET ROUND BEND |
| Material Document and Classification | FF-T-791 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | LEFT-HAND |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hook Opening Width | 0.625 INCHES MINIMUM 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 |
|---|---|
| MS27953-9 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-055-3756 is a Bolt,hook, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-055-3756: Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Distance From Inside of Bend to Shank End: 7.625 INCHES NOMINAL IN; Thread Length: 5.750 INCHES MINIMUM IN; Hook Inside Width: 0.625 INCHES MINIMUM IN. 15 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.