The Washer,spring Tension, cataloged under National Stock Number 5310-01-591-5118, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Solon Manufacturing Co Div Solon Manufacturing Co., Inc. (CAGE 23650) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-591-5118 |
| Primary Part Number | 721-8217297-11 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 721-8217297-11 PRIMARY | Naval Sea Systems Command (USA) |
| 24-48-125-718 PRIMARY | Solon Manufacturing Co Div Solon Manufacturing Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| H861-8110-11 | 5/2 Secondary reference U.S. Government activity |
| 218071502 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-591-5118 is a Washer,spring Tension, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-591-5118 has 2 manufacturer part numbers on file: 721-8217297-11 (Naval Sea Systems Command), 24-48-125-718 (Solon Manufacturing Co Div Solon Manufacturing Co., Inc.).
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.