The Bolt,hook, cataloged under National Stock Number 5306-01-173-6789, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-173-6789 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Inside of Bend to Shank End | 3.880 INCHES NOMINAL IN |
| Thread Length | 1.880 INCHES MINIMUM IN |
| Hook Inside Width | 0.730 INCHES NOMINAL IN |
| Style Designator | ACUTE ANGLE BEND |
| Material Document and Classification | ASTMA575 ASSN STD 1ST MATERIAL RESPONSE OR ASTMA108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Inside Center of Bend to Hook End | 0.865 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1015 OR STEEL COMP 1030 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 13215E9969 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-173-6789 is a Bolt,hook, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-173-6789: Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Inside of Bend to Shank End: 3.880 INCHES NOMINAL IN; Thread Length: 1.880 INCHES MINIMUM IN; Hook Inside Width: 0.730 INCHES NOMINAL IN. 14 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.