The Valve,rotary,selector, cataloged under National Stock Number 4820-01-305-9906, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-305-9906 |
| Primary Part Number | PD42239-1 |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control |
| 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 |
|---|---|
| PD42239-1 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA) |
| Reference | Meaning |
|---|---|
| 44239 | D/9 Drawing number reference only Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control |
| PD44239-1 | 3/9 Design control — primary reference Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control |
NSN 4820-01-305-9906 is a Valve,rotary,selector, manufactured by Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-305-9906 has 1 manufacturer part number on file: PD42239-1 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-398-8045. Verify interchangeability with system specifications before substitution.
Key specifications for PD42239-1: Special Features: ALUMINUM; MAXIMUM OPER. PRESS 2000.0 PSI; MANUAL CONTROL. 0 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.