The Washer,flat, cataloged under National Stock Number 5310-01-058-4589, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dana Commercial Vehicle Products, Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Dana Commercial Vehicle Products, Llc (CAGE 52304); Dana Commercial Vehicle Manufacturing Llc (CAGE 9R200) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-058-4589 |
| Primary Part Number | 23570 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dana Commercial Vehicle Products, Llc |
| 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 |
|---|---|
| 5EX197 | Oshkosh Defense Llc (USA) |
| 127488A | Oshkosh Defense Llc (USA) |
| 23570 PRIMARY | Dana Commercial Vehicle Products, Llc (USA) |
| 23570 | Dana Commercial Vehicle Manufacturing Llc (USA) |
| Reference | Meaning |
|---|---|
| 23570 | 5/9 Secondary reference U.S. Government activity |
| 5EX197 | 5/9 Secondary reference Oshkosh Corp |
| 127488A | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-058-4589 is a Washer,flat, manufactured by Dana Commercial Vehicle Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-058-4589 has 4 manufacturer part numbers on file: 5EX197 (Oshkosh Defense Llc), 127488A (Oshkosh Defense Llc), 23570 (Dana Commercial Vehicle Products, Llc), 23570 (Dana Commercial Vehicle Manufacturing Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-235-3038, 5310-01-516-1985, 5930-01-660-8593. 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.