The Valve,check, cataloged under National Stock Number 4820-01-182-0691, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Martin-Baker Aircraft Company Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Martin-Baker Aircraft Company Limited (CAGE U1604) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-182-0691 |
| Primary Part Number | MBEU-52787 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MBEU-52787 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 4820-01-182-0691 is a Valve,check, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-182-0691 has 1 manufacturer part number on file: MBEU-52787 (Martin-Baker Aircraft Company Limited).
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.