The Nut,plain,round, cataloged under National Stock Number 5310-00-185-6543, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-185-6543 |
| Primary Part Number | N09ZINCC0ATED |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Whittet-Higgins Company |
| Status | ACTIVE |
| Thread Series | UNS |
| Thread Pitch Diameters | +1.7309 TO 1.7354 INCHES IN |
| Drive Point Width | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.767 INCHES IN |
| Nut Diameter | 2.5313 INCHES NOMINAL IN |
| Drive Point Depth | 0.094 INCHES NOMINAL IN |
| Nut Thickness | 0.437 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| N09ZINCC0ATED PRIMARY | Whittet-Higgins Company (USA) |
| Reference | Meaning |
|---|---|
| 12Z335-210 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5310-00-185-6543 is a Nut,plain,round, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-185-6543 has 1 manufacturer part number on file: N09ZINCC0ATED (Whittet-Higgins Company).
Key specifications for N09ZINCC0ATED: Thread Series: UNS; Thread Pitch Diameters: +1.7309 TO 1.7354 INCHES IN; Drive Point Width: 0.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 13 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.