The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-658-1822, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Arrow Pneumatics Inc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Arrow Pneumatics Inc (CAGE 04049) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-658-1822 |
| Primary Part Number | R353P |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Arrow Pneumatics Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 1415AS273-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| R353P PRIMARY | Arrow Pneumatics Inc (USA) |
| Reference | Meaning |
|---|---|
| 1415AS273 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4820-01-658-1822 is a Valve,regulating,fluid Pressure, manufactured by Arrow Pneumatics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-658-1822 has 2 manufacturer part numbers on file: 1415AS273-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), R353P (Arrow Pneumatics Inc).
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.