The Bolt,hook, cataloged under National Stock Number 5306-01-137-8929, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-137-8929 |
| 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 | 9.125 INCHES NOMINAL IN |
| Thread Length | 7.250 INCHES NOMINAL IN |
| Hook Inside Width | 0.625 INCHES MINIMUM IN |
| Shank Length | 7.750 INCHES NOMINAL IN |
| Style Designator | OFF-SET ROUND BEND |
| Material Document and Classification | FF-T-791 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 FORM |
| 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 |
|---|---|
| MS27953-12 | 5/9 Secondary reference U.S. Government activity |
| FF-T-791 | 4/1 Identification reference U.S. Government activity |
| MS27953-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-137-8929 is a Bolt,hook, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-137-8929: Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Distance From Inside of Bend to Shank End: 9.125 INCHES NOMINAL IN; Thread Length: 7.250 INCHES NOMINAL IN; Hook Inside Width: 0.625 INCHES MINIMUM IN. 16 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.