The Valve Assembly Air, cataloged under National Stock Number 2520-00-977-7338, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Dana Off Highway Products, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Valve Assembly Air |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Dana Off Highway Products, Llc (CAGE 77237) |
| Parameter | Value |
|---|---|
| NSN | 2520-00-977-7338 |
| Primary Part Number | 222250 |
| Item Name | Valve Assembly Air |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 222250 | Dana Off Highway Products, Llc (USA) |
| 216729 | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 216729 | 3/9 Design control — primary reference Vme Americas Inc Sub of Vme Group N V |
| 216729 | 5/9 Secondary reference Clark Equipment Co |
| 222250 | 5/9 Secondary reference Clark Equipment Co |
| 222250 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
NSN 2520-00-977-7338 is a Valve Assembly Air, manufactured by Dana Off Highway Products, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-977-7338 has 2 manufacturer part numbers on file: 222250 (Dana Off Highway Products, Llc), 216729 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-483-5081. Verify interchangeability with system specifications before substitution.
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.