The Valve,stop-Lift-Check, cataloged under National Stock Number 4820-01-660-0707, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Integrated Hydraulics Inc. Government technical data includes 7 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. 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 | 4820-01-660-0707 |
| Primary Part Number | 1DR30P040S |
| Item Name | Valve,stop-Lift-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Integrated Hydraulics Inc |
| Status | ACTIVE |
| Minimum Operating Temp | -30.0 CELSIUS DEGC |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 400.0 BAR MAXIMUM SINGLE RESPONSE |
| Maximum Operating Temp | 90.0 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | ZINC |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Material | STEEL BODY |
| 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 |
|---|---|
| 1DR30P040S PRIMARY | Integrated Hydraulics Inc (USA) |
NSN 4820-01-660-0707 is a Valve,stop-Lift-Check, manufactured by Integrated Hydraulics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-660-0707 has 1 manufacturer part number on file: 1DR30P040S (Integrated Hydraulics Inc).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-691-4262. Verify interchangeability with system specifications before substitution.
Key specifications for 1DR30P040S: Minimum Operating Temp: -30.0 CELSIUS DEGC; Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 400.0 BAR MAXIMUM SINGLE RESPONSE; Maximum Operating Temp: 90.0 CELSIUS SINGLE RESPONSE DEGC. 7 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.