The Valve,air,passenger Outlet, cataloged under National Stock Number 4820-01-215-6550, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aerospace Lighting Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-215-6550 |
| Primary Part Number | 1749 |
| Item Name | Valve,air,passenger Outlet |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aerospace Lighting Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL; BALL,NOZZLE,POPPET AND FLANGE ALUMINUM ALLOY; TEMP RANGE,-54 DEG C TO +121 DEG C DEGC |
| 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 |
|---|---|
| GV500AAD1 | Northrop Grumman Systems Corporation (USA) |
| 1749 PRIMARY | Aerospace Lighting Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1749 | 5/9 Secondary reference U.S. Government activity |
| GV500AAD | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4820-01-215-6550 is a Valve,air,passenger Outlet, manufactured by Aerospace Lighting Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-215-6550 has 2 manufacturer part numbers on file: GV500AAD1 (Northrop Grumman Systems Corporation), 1749 (Aerospace Lighting Corporation).
Key specifications for 1749: General Characteristics Item Description: MATERIAL; BALL,NOZZLE,POPPET AND FLANGE ALUMINUM ALLOY; TEMP RANGE,-54 DEG C TO +121 DEG C DEGC. 1 specification is 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.