The Washer,key, cataloged under National Stock Number 5310-01-112-1198, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Leonardo S.p.a. - Electronics Division - Defence Business Area. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Washer,key |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Leonardo S.p.a. - Electronics Division - Defence Business Area (CAGE A0199); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-112-1198 |
| Primary Part Number | 2108-06-571 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| 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 |
|---|---|
| 2108-06-571 PRIMARY | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 5517562-002 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0826170 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-112-1198 is a Washer,key, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-112-1198 has 2 manufacturer part numbers on file: 2108-06-571 (Leonardo S.p.a. - Electronics Division - Defence Business Area), 5517562-002 (Naval Sea Systems Command).
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.