The Valve,safety Relief, cataloged under National Stock Number 4820-01-508-4081, 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. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-508-4081 |
| Primary Part Number | M0192A |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear |
| Status | ACTIVE |
| Flow Control Device | PLUG |
| Mounting Facility | THREADED FASTENER |
| Material | STEEL BODY |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| M0192A PRIMARY | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| Reference | Meaning |
|---|---|
| M0192A | 5/9 Secondary reference Olmsted Products Company Llc |
| LL-1552 | D/9 Drawing number reference only Olmsted Products Company Llc |
| LL-1552 REV B MODEL M0192A | 5/9 Secondary reference Olmsted Products Company Llc |
NSN 4820-01-508-4081 is a Valve,safety Relief, manufactured by The Oilgear Company Dba Jiffy Lube 213 Div Oilgear, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-508-4081 has 1 manufacturer part number on file: M0192A (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear).
Key specifications for M0192A: Flow Control Device: PLUG; Mounting Facility: THREADED FASTENER; Special Features: USED AS A 2ND STAGE RELIEF VALVE SUB-ASSY ON SV115 PRIMARY RELIEF VALVE; LIKE 4820-01-185-6666 IN ALL WAYS EXCEPT INCLUDES ORIFICE PLUG AND SEAL PLATE. IN; Part Name Assigned by Controlling Agency: RELIEF CONTROL HEAD VALVE. 4 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.