The Ring Set,piston, cataloged under National Stock Number 2520-01-448-9411, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-448-9411 |
| Primary Part Number | 1838610 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1838610 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 1838610 | 5/9 Secondary reference Oshkosh Corp |
NSN 2520-01-448-9411 is a Ring Set,piston, manufactured by Oshkosh Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-448-9411 has 1 manufacturer part number on file: 1838610 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-608-7983. Verify interchangeability with system specifications before substitution.
Key specifications for 1838610: End Item Identification: TRUCK SNOW REMOVAL. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.