The Valve Evaporator Pr, cataloged under National Stock Number 4820-01-200-1855, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Control Data Systems Inc Contracts Dept. The record lists 2 manufacturer part numbers 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.
| Item Name | Valve Evaporator Pr |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Control Data Systems Inc Contracts Dept (CAGE 34010) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-200-1855 |
| Primary Part Number | 0020231503 |
| Item Name | Valve Evaporator Pr |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Control Data Systems Inc Contracts Dept |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 0020231503 PRIMARY | Control Data Systems Inc Contracts Dept (USA) |
| 20231503 | Control Data Systems Inc Contracts Dept (USA) |
NSN 4820-01-200-1855 is a Valve Evaporator Pr, manufactured by Control Data Systems Inc Contracts Dept, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-200-1855 has 2 manufacturer part numbers on file: 0020231503 (Control Data Systems Inc Contracts Dept), 20231503 (Control Data Systems Inc Contracts Dept).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-603-2567. Verify interchangeability with system specifications before substitution.
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.