The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-487-2771, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-487-2771 |
| Primary Part Number | R72G2AKRFN |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | DROP-IN CARTRIDGE |
| Temp Rating | 0.0 FAHRENHEIT MINIMUM AND 150.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | ZINC BODY |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | 00.0 NON-MERCURY ALTERNATIVE - DENTAL PRODUCTS - DENTAL AMALGAMS |
| Furnished Items | BONNET |
| Thread Size and Series/type Designator | 1/4-18 NPT SECOND END |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END |
| 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 |
|---|---|
| R72G2AKRFN PRIMARY | Norgren C a Co (USA) |
| Reference | Meaning |
|---|---|
| 3308573-1 | 5/9 Secondary reference U.S. Government activity |
| 3308550 | 7/1 Vendor item drawing reference U.S. Government activity |
| 3308550-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-487-2771 is a Valve,regulating,fluid Pressure, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-487-2771 has 1 manufacturer part number on file: R72G2AKRFN (Norgren C a Co).
Key specifications for R72G2AKRFN: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: DROP-IN CARTRIDGE. 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.