The Valve,vent-Check, cataloged under National Stock Number 4820-01-486-1036, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-486-1036 |
| Primary Part Number | 52-20-V-3IN |
| Item Name | Valve,vent-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Nominal Pipe Size Accommodated | 3.000 INCHES FIRST END IN |
| Mounting Position | VERTICAL |
| Connection Type | BUTT WELD PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Material | STEEL OVERALL |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 52-20-V-3IN PRIMARY | Tate Andale, Llc (USA) |
| 0302102120 | Tate Andale, Llc (USA) |
NSN 4820-01-486-1036 is a Valve,vent-Check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-486-1036 has 2 manufacturer part numbers on file: 52-20-V-3IN (Tate Andale, Llc), 0302102120 (Tate Andale, Llc).
Key specifications for 52-20-V-3IN: Flow Control Device: BALL; Nominal Pipe Size Accommodated: 3.000 INCHES FIRST END IN; Mounting Position: VERTICAL; Connection Type: BUTT WELD PIPE FIRST END. 7 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.