The Disk,valve, cataloged under National Stock Number 4820-01-141-4174, 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.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAGE 35076) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-141-4174 |
| Primary Part Number | 712871 ITEM 6 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
| 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 |
|---|---|
| 712871 ITEM 6 PRIMARY | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN) |
| Reference | Meaning |
|---|---|
| 712871 | D/9 Drawing number reference only Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
NSN 4820-01-141-4174 is a Disk,valve, manufactured by Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-141-4174 has 1 manufacturer part number on file: 712871 ITEM 6 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-141-5170. Verify interchangeability with system specifications before substitution.
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.