The Linkage Assembly,valve, cataloged under National Stock Number 4820-01-003-7658, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-003-7658 |
| Primary Part Number | 50371158900 |
| Item Name | Linkage Assembly,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
| Status | ACTIVE |
| General Characteristics Item Description | CRES;0.750 IN. PIPE;10.000 IN. O/A LG;3.741 IN. W; 180 MAX PSI IN |
| 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 |
|---|---|
| 50371158900 PRIMARY | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN) |
| Reference | Meaning |
|---|---|
| 4711530PC6 | 5/9 Secondary reference Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
NSN 4820-01-003-7658 is a Linkage Assembly,valve, manufactured by Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-003-7658 has 1 manufacturer part number on file: 50371158900 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.).
Key specifications for 50371158900: General Characteristics Item Description: CRES;0.750 IN. PIPE;10.000 IN. O/A LG;3.741 IN. W; 180 MAX PSI IN; End Item Identification: AIRCRAFT APPLIANCE AND EQUIPMENT LTD,VALVE ASSEMBLY P/N 4711530. 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.