The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-645-7473, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairchild Industrial Products Company. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-645-7473 |
| Primary Part Number | 90052 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairchild Industrial Products Company |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY BODY |
| 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 |
|---|---|
| 90052 PRIMARY | Fairchild Industrial Products Company (USA) |
NSN 4820-01-645-7473 is a Valve,regulating,fluid Pressure, manufactured by Fairchild Industrial Products Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-645-7473 has 1 manufacturer part number on file: 90052 (Fairchild Industrial Products Company).
Key specifications for 90052: Overall Length: 3.0 INCHES NOMINAL IN; Special Features: 1/4 INCH NPT, MOUNTING BRACKET SOLD SEPERATELY IN; Part Name Assigned by Controlling Agency: LOW PRESSURE SELECTOR RELAY; Material: ALUMINUM ALLOY BODY. 1 specification is 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.