The Nut,plain,round, cataloged under National Stock Number 5310-00-227-2020, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Whittet-Higgins Company. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-227-2020 |
| Primary Part Number | N08STAINLESSSTEEL |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Whittet-Higgins Company |
| Status | ACTIVE |
| Thread Series | UNS |
| Thread Pitch Diameters | +1.5269 TO 1.5314 INCHES IN |
| Drive Point Width | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.563 INCHES IN |
| Nut Diameter | 2.250 INCHES NOMINAL IN |
| Drive Point Depth | 0.0937 INCHES NOMINAL IN |
| Nut Thickness | 0.4375 INCHES NOMINAL IN |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| N08STAINLESSSTEEL PRIMARY | Whittet-Higgins Company (USA) |
| N08STAINLESSSTEEL PRIMARY | The Timken Corporation (USA) |
| 3262222 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3262222 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5310-00-227-2020 is a Nut,plain,round, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-227-2020 has 3 manufacturer part numbers on file: N08STAINLESSSTEEL (Whittet-Higgins Company), N08STAINLESSSTEEL (The Timken Corporation), 3262222 (Hatch & Kirk, Inc.).
Key specifications for N08STAINLESSSTEEL: Thread Series: UNS; Thread Pitch Diameters: +1.5269 TO 1.5314 INCHES IN; Drive Point Width: 0.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 12 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.