The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-604-4620, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-604-4620 |
| Primary Part Number | R4R065A5-12-B1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| Flow Control Device | PISTON, SPRING LOADEDPISTON, SPRING LOADED |
| First End Thread Direction | RIGHT-HANDRIGHT-HAND |
| Second End Relationship with First End | IDENTICALIDENTICAL |
| Body Style | TEETEE |
| Regulation Type | AUTOMATIC SINGLE STAGEAUTOMATIC SINGLE STAGE |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST ENDIDENTICAL WITH FIRST END |
| First End Style Designator | PLAINPLAIN |
| End Connection Quantity | 33 |
| Valve Loading Method | SPRINGSPRING |
| First End Connection Type | THREADED INTERNAL PIPETHREADED INTERNAL PIPE |
| Material | STEEL BODYSTEEL BODY |
| Thread Size and Series/type Designator | 0.750-14 NPT FIRST END0.750-14 NPT FIRST END |
| Filter | NOT INCLUDEDNOT INCLUDED |
| 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 |
|---|---|
| R4R065A5-12-B1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| R4R06-5A5-12B1 | Denison Hydraulik Gmbh (DEU) |
| S26 34708 0 | Denison Hydraulik Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 026 20315 0 0008697 | 5/9 Secondary reference Denison Hydraulik Gmbh |
| R4R-06-515-11-A1 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| R4R-06-515-11-B1 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| RR12-515 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
NSN 4820-00-604-4620 is a Valve,regulating,fluid Pressure, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-604-4620 has 3 manufacturer part numbers on file: R4R065A5-12-B1 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), R4R06-5A5-12B1 (Denison Hydraulik Gmbh), S26 34708 0 (Denison Hydraulik Gmbh).
Key specifications for R4R065A5-12-B1: Flow Control Device: PISTON, SPRING LOADEDPISTON, SPRING LOADED; First End Thread Direction: RIGHT-HANDRIGHT-HAND; Second End Relationship with First End: IDENTICALIDENTICAL; Body Style: TEETEE. 13 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.