The Washer,spring Tension, cataloged under National Stock Number 5310-01-421-9528, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Warren Controls, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Warren Controls, Inc. (CAGE 03847) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-421-9528 |
| Primary Part Number | 03106911 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Warren Controls, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 03106911 | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 30809995 ITEM 21 | 3/9 Design control — primary reference Warren Controls, Inc. |
NSN 5310-01-421-9528 is a Washer,spring Tension, manufactured by Warren Controls, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-421-9528 has 1 manufacturer part number on file: 03106911 (Warren Controls, 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.