The Valve,vent, cataloged under National Stock Number 4820-01-421-1531, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sypris Electronics, Llc. The record lists 1 manufacturer part number 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 | Sypris Electronics, Llc (CAGE 14028) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-1531 |
| Primary Part Number | 802146 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sypris Electronics, Llc |
| 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 |
|---|---|
| 802146 PRIMARY | Sypris Electronics, Llc (USA) |
NSN 4820-01-421-1531 is a Valve,vent, manufactured by Sypris Electronics, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-1531 has 1 manufacturer part number on file: 802146 (Sypris Electronics, Llc).
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.