The Valve,safety Relief, cataloged under National Stock Number 4820-01-352-8942, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-352-8942 |
| Primary Part Number | 2983144 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN (SCREW-IN CARTRIDGE) ALL ENDS |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Thread Class | 2A ALL ENDS A |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 2983144 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| 7-926-002081 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 2HG12 | Oshkosh Defense Llc (USA) |
| 7-926-002081 | Grove U.s. Llc Dba Grove Us Llc (USA) |
| 7-926-002081 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2HG12 | 5/9 Secondary reference Oshkosh Corp |
NSN 4820-01-352-8942 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-352-8942 has 5 manufacturer part numbers on file: 2983144 (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division), 7-926-002081 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 2HG12 (Oshkosh Defense Llc), 7-926-002081 (Grove U.s. Llc Dba Grove Us Llc), 7-926-002081 (Amz Alabama Inc.).
Key specifications for 2983144: Flow Control Device: BALL; Connection Style: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS; Connection Type: THREADED CARTRIDGE ALL ENDS; Style Designator: SCREW-IN CARTRIDGE. 11 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.