The Retainer,disk,valve, cataloged under National Stock Number 4820-00-623-8537, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-623-8537 |
| Primary Part Number | A0363-14 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Valve Model Number for Which Designed | A0363-1 |
| Valve Size for Which Designed | 0.875 INCHES IN |
| Valve Design Control Activity | 36266 |
| 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 |
|---|---|
| 3711686PC12 | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN) |
| A0363-14 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A0363-14 | 5/9 Secondary reference Singer Valve Inc |
NSN 4820-00-623-8537 is a Retainer,disk,valve, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-623-8537 has 2 manufacturer part numbers on file: 3711686PC12 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.), A0363-14 (Lake Shore Systems, Inc.).
Key specifications for A0363-14: Valve Model Number for Which Designed: A0363-1; Valve Size for Which Designed: 0.875 INCHES IN; Valve Design Control Activity: 36266; End Item Identification: SYSTEMS, JP-5 AVIATION FUELS. 3 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.
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.