The Valve,vent-Check, cataloged under National Stock Number 4820-01-524-8084, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-524-8084 |
| Primary Part Number | 52-25T 2.00IN |
| Item Name | Valve,vent-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Mounting Position | VERTICAL |
| Material | COPPER FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 836 BODY |
| Material | COPPER ALLOY SEAT |
| 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 |
|---|---|
| 52-25T 2.00IN PRIMARY | Tate Andale, Llc (USA) |
| 0202107300 | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3-100 AND 3-100-M20 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4820-01-524-8084 is a Valve,vent-Check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-524-8084 has 2 manufacturer part numbers on file: 52-25T 2.00IN (Tate Andale, Llc), 0202107300 (Tate Andale, Llc).
Key specifications for 52-25T 2.00IN: Mounting Position: VERTICAL; Special Features: INVERTED VENT-CHECK VALVE, THREADED, CAST CONSTRUCTION, STAINLESS STEEL SCREENS (40 MESH FLAME AND 1/4" SQUARE PROTECTIVE; Part Name Assigned by Controlling Agency: INVERTED VENT-CHECK VALVE; Material: COPPER FLOW CONTROL DEVICE. 5 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.