The Valve,vent, cataloged under National Stock Number 4820-01-194-1833, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Continental Emsco Co Skagit Products Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve,vent |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Continental Emsco Co Skagit Products Div (CAGE 55102) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-194-1833 |
| Primary Part Number | 52-40T |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Continental Emsco Co Skagit Products Div |
| 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 |
|---|---|
| 52-40T PRIMARY | Continental Emsco Co Skagit Products Div (USA) |
| 53591H PIECE 15 | Continental Emsco Co Skagit Products Div (USA) |
NSN 4820-01-194-1833 is a Valve,vent, manufactured by Continental Emsco Co Skagit Products Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-194-1833 has 2 manufacturer part numbers on file: 52-40T (Continental Emsco Co Skagit Products Div), 53591H PIECE 15 (Continental Emsco Co Skagit Products Div).
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.