The Valve Assembly, cataloged under National Stock Number 4820-01-362-4438, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-362-4438 |
| Primary Part Number | AIR48542-1 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AIR48542-1 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| AIR48542-1 | Bae Systems Asset Management (GBR) |
| Reference | Meaning |
|---|---|
| AIR48542 | C/1 Advisory reference — outside the item-of-supply concept U S Dept of Transportation Federal Aviation Administration |
NSN 4820-01-362-4438 is a Valve Assembly, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-362-4438 has 2 manufacturer part numbers on file: AIR48542-1 (U S Dept of Transportation Federal Aviation Administration), AIR48542-1 (Bae Systems Asset Management).
Key specifications for AIR48542-1: End Item Identification: USED ON BAE C29A AIRCRAFT. 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.
NSN 4820-01-362-4438 has DEMIL Code Q. 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.