The Bolt,hook, cataloged under National Stock Number 5306-01-617-0171, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-617-0171 |
| Primary Part Number | 91604A495 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Shank Diameter | 0.750 INCHES NOMINAL IN |
| External Thread Tolerance Class | 2A A |
| Distance From Inside of Bend to Shank End | 24.000 INCHES NOMINAL IN |
| Thread Length | 3.000 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN |
| Hook Inside Width | 1.125 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Material Document and Classification | ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Inside Center of Bend to Hook End | 1.250 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 58000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| 91604A495 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5306-01-617-0171 is a Bolt,hook, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-617-0171 has 1 manufacturer part number on file: 91604A495 (Mcmaster-Carr Supply Co).
Key specifications for 91604A495: Shank Diameter: 0.750 INCHES NOMINAL IN; External Thread Tolerance Class: 2A A; Distance From Inside of Bend to Shank End: 24.000 INCHES NOMINAL IN; Thread Length: 3.000 INCHES MINIMUM AND 3.500 INCHES MAXIMUM 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.