The Valve,safety Relief, cataloged under National Stock Number 4820-01-645-5030, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (CAGE 44674) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-645-5030 |
| Primary Part Number | L721418-111 |
| Item Name | Valve,safety Relief |
| 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 |
|---|---|
| L721418-111 PRIMARY | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| Reference | Meaning |
|---|---|
| 20861D001 | D/9 Drawing number reference only U.S. Government activity |
| 20861D001 FIND NO 19 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| L721418M111 | 5/9 Secondary reference The Oilgear Company Dba Jiffy Lube 213 Div Oilgear |
NSN 4820-01-645-5030 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 4820-01-645-5030 has 1 manufacturer part number on file: L721418-111 (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-645-5119, 4820-01-645-5533, 4320-01-645-6757. 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.