The Nut,plain,barrel, cataloged under National Stock Number 5310-01-406-4789, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-406-4789 |
| Primary Part Number | 211038406 |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Series | UN |
| Material Document and Classification | ASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | COPPER ALLOY 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 |
|---|---|
| DF330709 FN 7 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 801-6405343 FIND 7 | Naval Sea Systems Command (USA) |
| 6405343 FN 7 | Naval Sea Systems Command (USA) |
| 211038406 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-406-4789 is a Nut,plain,barrel, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-406-4789 has 4 manufacturer part numbers on file: DF330709 FN 7 (Huntington Ingalls Inc Div Newport News Shipbuilding), 801-6405343 FIND 7 (Naval Sea Systems Command), 6405343 FN 7 (Naval Sea Systems Command), 211038406 (Naval Sea Systems Command).
Key specifications for 211038406: Thread Series: UN; Material Document and Classification: ASTM B150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.250 INCHES IN. 7 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.