The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-357-4557, 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 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-357-4557 |
| Primary Part Number | 803-5959306-2XX-025 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM 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 |
|---|---|
| 803-5959306-2XX-025 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-357-4557 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-357-4557 has 1 manufacturer part number on file: 803-5959306-2XX-025 (Naval Sea Systems Command).
Key specifications for 803-5959306-2XX-025: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.3125 INCHES IN; Thread Class: 3B. 6 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.