The Valve,check, cataloged under National Stock Number 4820-01-418-0003, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-418-0003 |
| Primary Part Number | 745801 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Disk Loading Method | SPRING |
| 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 |
|---|---|
| 745801 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 745801P | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 745801 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 745801 | Amz Alabama Inc. (USA) |
NSN 4820-01-418-0003 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-418-0003 has 4 manufacturer part numbers on file: 745801 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 745801P (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 745801 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 745801 (Amz Alabama Inc.).
Key specifications for 745801: Flow Control Device: DISK; Disk Loading Method: SPRING; End Item Identification: 2320-01-354-3385 USED ON TRUCK, FAMILY OF MED; Valve Operation Method: AUTOMATIC. 3 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.