The Washer,idler Gear T, cataloged under National Stock Number 5310-00-080-6123, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,idler Gear T |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Rolls-Royce Solutions America Inc (CAGE 72582) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-080-6123 |
| Primary Part Number | 5139443 |
| Item Name | Washer,idler Gear T |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Solutions America 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 |
|---|---|
| 5139443 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5139443 | 5/9 Secondary reference General Motors Corp |
| 5310PL0942639 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-080-6123 is a Washer,idler Gear T, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-080-6123 has 1 manufacturer part number on file: 5139443 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-413-1569. Verify interchangeability with system specifications before substitution.
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.