The Bolt,shoulder, cataloged under National Stock Number 5306-01-017-2559, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. 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 | 5306-01-017-2559 |
| Primary Part Number | 3856-15031 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Gorman-Rupp Company Div Gorman-Rupp |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Shoulder Length | 0.313 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.750 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 1.188 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.157 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.125 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.313 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 3856-15031 PRIMARY | The Gorman-Rupp Company Div Gorman-Rupp (USA) |
NSN 5306-01-017-2559 is a Bolt,shoulder, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-017-2559 has 1 manufacturer part number on file: 3856-15031 (The Gorman-Rupp Company Div Gorman-Rupp).
Key specifications for 3856-15031: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 1.500 INCHES NOMINAL IN; Shoulder Length: 0.313 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.750 INCHES NOMINAL FIRST SHOULDER 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.