The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-450-3340, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norgren C a Co. Government technical data includes 16 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 | 4820-01-450-3340 |
| Primary Part Number | R06-221-RNKA |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 3.0 TO 100.0 CAMERA MOUNT |
| Manual Control Method | KNOB |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1/4-18 NPTF FIRST END |
| Filter | NOT 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 |
|---|---|
| R06-221-RNKA PRIMARY | Norgren C a Co (USA) |
NSN 4820-01-450-3340 is a Valve,regulating,fluid Pressure, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-450-3340 has 1 manufacturer part number on file: R06-221-RNKA (Norgren C a Co).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-672-3586. Verify interchangeability with system specifications before substitution.
Key specifications for R06-221-RNKA: Flow Control Device: POPPET; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: DIAPHRAGM. 16 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.