The Valve,vent-Check, cataloged under National Stock Number 4820-01-252-6074, 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 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-252-6074 |
| Primary Part Number | 52-25T 2IN.CAST IRON GALV |
| Item Name | Valve,vent-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Mounting Position | VERTICAL |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Surface Treatment | ZINC |
| Material | IRON CAST BODY |
| Thread Series Designator | NPT FIRST END |
| 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 2IN.CAST IRON GALV PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 52-25T 2IN.CAST | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
NSN 4820-01-252-6074 is a Valve,vent-Check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-252-6074 has 1 manufacturer part number on file: 52-25T 2IN.CAST IRON GALV (Tate Andale, Llc).
Key specifications for 52-25T 2IN.CAST IRON GALV: Flow Control Device: BALL; Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END; Mounting Position: VERTICAL; Connection Type: THREADED INTERNAL PIPE FIRST END. 11 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.