The Nut,plain,round, cataloged under National Stock Number 5310-01-643-7961, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Smiths Detection. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-643-7961 |
| Primary Part Number | 4003-203 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Smiths Detection |
| Status | ACTIVE |
| 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 |
|---|---|
| 4003-203 PRIMARY | Smiths Detection (USA) |
| Reference | Meaning |
|---|---|
| 4003-203 | 5/9 Secondary reference Smiths Detection Us, Llc |
NSN 5310-01-643-7961 is a Nut,plain,round, manufactured by Smiths Detection, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-643-7961 has 1 manufacturer part number on file: 4003-203 (Smiths Detection).
Key specifications for 4003-203: Special Features: 8.84X8.84X1.41CM CM; Part Name Assigned by Controlling Agency: NUT UNIVERSAL ACCESORY HOUSING. 0 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.