The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-732-7186, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Otto Engineering Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-732-7186 |
| Primary Part Number | 700228-1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Otto Engineering Inc |
| Status | ACTIVE |
| Width Across Flats | 0.56 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.47 INCHES IN |
| Nut Height | 0.079 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 700228-1 PRIMARY | Otto Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 4374581 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-732-7186 is a Nut,plain,hexagon, manufactured by Otto Engineering Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-732-7186 has 1 manufacturer part number on file: 700228-1 (Otto Engineering Inc).
Key specifications for 700228-1: Width Across Flats: 0.56 INCHES NOMINAL IN; Thread Series: UNS; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.47 INCHES IN. 11 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.