The Nut,plain,round, cataloged under National Stock Number 5310-01-425-6263, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-425-6263 |
| Primary Part Number | 593-6960883 PIECE 7 |
| 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 | ASTM A564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 2.520 INCHES IN |
| Nut Diameter | 3.247 INCHES MINIMUM AND 3.249 INCHES MAXIMUM IN |
| Drive Point Depth | 0.250 INCHES NOMINAL IN |
| Nut Thickness | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Drive Point Diameter | 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 630 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 |
|---|---|
| 593-6960883 PIECE 7 PRIMARY | Naval Sea Systems Command (USA) |
| 593-9690883 REV A | Naval Sea Systems Command (USA) |
NSN 5310-01-425-6263 is a Nut,plain,round, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-425-6263 has 2 manufacturer part numbers on file: 593-6960883 PIECE 7 (Naval Sea Systems Command), 593-9690883 REV A (Naval Sea Systems Command).
Key specifications for 593-6960883 PIECE 7: Thread Series: UN; Material Document and Classification: ASTM A564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: LEFT-HAND; Nominal Thread Size: 2.520 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.