The Valve,rotair, cataloged under National Stock Number 2030-00-390-4239, is classified within Federal Supply Class 2030 (Deck Machinery) of the Ship and Marine Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,rotair |
| FSC / FSG | 2030 — Deck Machinery (FSG 20) |
| Parameter | Value |
|---|---|
| NSN | 2030-00-390-4239 |
| Item Name | Valve,rotair |
| FSC / FSG | 2030 / 20 — Deck Machinery |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 521849 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2030-00-390-4239 is a Valve,rotair, classified under FSC 2030, Deck Machinery. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2920-00-649-6453. 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.
NSN 2030-00-390-4239 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.