The Washer,spring Tension, cataloged under National Stock Number 5310-01-658-2311, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Federal Equipment Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Federal Equipment Co (CAGE 60587) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-658-2311 |
| Primary Part Number | 7A70005 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Federal Equipment Co |
| 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 |
|---|---|
| 7A70005 PRIMARY | Federal Equipment Co (USA) |
| Reference | Meaning |
|---|---|
| 7A10002 | D/9 Drawing number reference only Federal Equipment Co |
NSN 5310-01-658-2311 is a Washer,spring Tension, manufactured by Federal Equipment Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-658-2311 has 1 manufacturer part number on file: 7A70005 (Federal Equipment Co).
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.