The Poppet Valve, cataloged under National Stock Number 4820-01-274-4800, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Oilgear Company Dba Jiffy Lube 213 Div Oilgear. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Poppet Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (CAGE 44674) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-274-4800 |
| Primary Part Number | L501976HS44 |
| Item Name | Poppet Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear |
| 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 |
|---|---|
| L501976HS44 PRIMARY | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| HSP823-0-2-AF | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| 501974HS ITEM NO. 9 | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| Reference | Meaning |
|---|---|
| 501974HS | D/9 Drawing number reference only The Oilgear Company Dba Jiffy Lube 213 Div Oilgear |
NSN 4820-01-274-4800 is a Poppet Valve, manufactured by The Oilgear Company Dba Jiffy Lube 213 Div Oilgear, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-274-4800 has 3 manufacturer part numbers on file: L501976HS44 (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear), HSP823-0-2-AF (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear), 501974HS ITEM NO. 9 (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear).
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.