The Seat,valve, cataloged under National Stock Number 4820-01-389-9020, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Del Mar Avionics, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-389-9020 |
| Primary Part Number | A5-730 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Del Mar Avionics, 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 |
|---|---|
| A5-730 PRIMARY | Del Mar Avionics, Llc (USA) |
NSN 4820-01-389-9020 is a Seat,valve, manufactured by Del Mar Avionics, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-389-9020 has 1 manufacturer part number on file: A5-730 (Del Mar Avionics, Llc).
Key specifications for A5-730: End Item Identification: DEL MAR AVIONICS MODEL C HYDRO SET. 0 specifications are documented in the U.S. Government catalog.
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.