The Valve,restrictor Check, cataloged under National Stock Number 4820-01-273-5709, 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 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-273-5709 |
| Primary Part Number | HSF602-12-TP-8.5-AF |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| 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 |
|---|---|
| 501974HS ITEM 5 | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| HSF602-12-TP-8.5-AF PRIMARY | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| L400725HS02 PRIMARY | 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 |
| 5122709-005-121 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-273-5709 is a Valve,restrictor Check, manufactured by The Oilgear Company Dba Jiffy Lube 213 Div Oilgear, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-273-5709 has 3 manufacturer part numbers on file: 501974HS ITEM 5 (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear), HSF602-12-TP-8.5-AF (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear), L400725HS02 (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-274-4800. Verify interchangeability with system specifications before substitution.
Key specifications for HSF602-12-TP-8.5-AF: Flow Control Device: DISK; Connection Type: THREADED CARTRIDGE ALL ENDS; Special Features: VALVE DISCHARGE FLOW RATE: 8.5 GALLONS PER MINUTE; Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE. 5 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.