The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-560-3631, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-560-3631 |
| Primary Part Number | 600-1554095 PART NO 19 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Thread Size | 0.438 INCHES IN |
| Thread Quantity Per Inch | 10 |
| 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 |
|---|---|
| 600-1554095 PART NO 19 | Naval Sea Systems Command (USA) |
| 600-1901500 PART NO 19 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| JE1861-19 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-560-3631 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-560-3631 has 2 manufacturer part numbers on file: 600-1554095 PART NO 19 (Naval Sea Systems Command), 600-1901500 PART NO 19 (Naval Sea Systems Command).
Key specifications for 600-1554095 PART NO 19: Nominal Thread Size: 0.438 INCHES IN; Thread Quantity Per Inch: 10; Material: COPPER ALLOY OVERALL. 3 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.