The Valve,atomizing, cataloged under National Stock Number 4420-01-237-6340, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Newterra Corporation, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,atomizing |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Newterra Corporation, Inc. (CAGE 13344) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-237-6340 |
| Primary Part Number | 143925 |
| Item Name | Valve,atomizing |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Newterra Corporation, Inc. |
| 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 |
|---|---|
| 143925 PRIMARY | Newterra Corporation, Inc. (USA) |
NSN 4420-01-237-6340 is a Valve,atomizing, manufactured by Newterra Corporation, Inc., classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-237-6340 has 1 manufacturer part number on file: 143925 (Newterra Corporation, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4420-01-237-6341, 4420-01-237-6342, 4820-01-316-0153. 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.