The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-144-6977, 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 Pump Division. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-144-6977 |
| Primary Part Number | R4V06-519-10A1 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| FSC Application Data | HYDRAULIC TEST STAND |
| Body Style | STRAIGHT THRU |
| End Connection Quantity | 1 |
| Temp Control Device Type | THERMOSTATIC |
| Temp Adjustability | ADJUSTABLE |
| Valve Discharge Flow Rate | 200.0 GALLONS PER MINUTE |
| Adjustable Pressure Range | 100.0 TO 5000.0 CAMERA MOUNT |
| 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 |
|---|---|
| 68A4-D1137 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 68A4D1137-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| R4V06-519-10A1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
NSN 4820-01-144-6977 is a Valve,relief,pressure and Temper, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-144-6977 has 3 manufacturer part numbers on file: 68A4-D1137 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 68A4D1137-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), R4V06-519-10A1 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
Key specifications for R4V06-519-10A1: FSC Application Data: HYDRAULIC TEST STAND; Body Style: STRAIGHT THRU; End Connection Quantity: 1; Temp Control Device Type: THERMOSTATIC. 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.