The Nut,plain,round, cataloged under National Stock Number 5310-00-944-7487, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Group Site De Brest. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-944-7487 |
| Primary Part Number | EPA21410-247 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Group Site De Brest |
| Status | ACTIVE |
| Thread Series | UN |
| Material Document and Classification | MIL-G-16033,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.000 INCHES IN |
| Nut Diameter | 3.8125 INCHES NOMINAL IN |
| Drive Point Depth | 0.375 INCHES NOMINAL IN |
| Nut Thickness | 1.375 INCHES NOMINAL IN |
| Drive Point Diameter | 0.375 INCHES NOMINAL IN |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 8 |
| Material | COPPER ALLOY 955 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 |
|---|---|
| EPA21410-247 | Naval Group Site De Brest (FRA) |
| Reference | Meaning |
|---|---|
| 413274-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-944-7487 is a Nut,plain,round, manufactured by Naval Group Site De Brest, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-944-7487 has 1 manufacturer part number on file: EPA21410-247 (Naval Group Site De Brest).
Key specifications for EPA21410-247: Thread Series: UN; Material Document and Classification: MIL-G-16033,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 2.000 INCHES IN. 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.