The Nut,plain,round, cataloged under National Stock Number 5310-01-080-1748, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-080-1748 |
| Primary Part Number | 810-4384539 PIECE 32 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Series | UN |
| Material Document and Classification | QQ-N-281,CLASS A,HR FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.750 INCHES IN |
| Nut Diameter | 4.250 INCHES NOMINAL IN |
| Nut Thickness | 0.500 INCHES NOMINAL IN |
| Drive Point Diameter | 0.375 INCHES NOMINAL IN |
| Countersink Angle | 45.0 DEGREES NOMINAL BOTH ENDS |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL 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 |
|---|---|
| 810-4384539 PIECE 32 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4384539 PIECE 32 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-080-1748 is a Nut,plain,round, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-080-1748 has 1 manufacturer part number on file: 810-4384539 PIECE 32 (Naval Sea Systems Command).
Key specifications for 810-4384539 PIECE 32: Thread Series: UN; Material Document and Classification: QQ-N-281,CLASS A,HR FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 2.750 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.