The Valve,vent-Check, cataloged under National Stock Number 4820-01-486-7710, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-486-7710 |
| Primary Part Number | 0242104300 |
| 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 | 2.500 INCHES FIRST END IN |
| Mounting Position | VERTICAL |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY 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 |
|---|---|
| 0242104300 PRIMARY | Tate Andale, Llc (USA) |
| 52-20S-2.5IN BRONZE | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 52-20S-2.5IN | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
NSN 4820-01-486-7710 is a Valve,vent-Check, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-486-7710 has 2 manufacturer part numbers on file: 0242104300 (Tate Andale, Llc), 52-20S-2.5IN BRONZE (Tate Andale, Llc).
Key specifications for 0242104300: Flow Control Device: BALL; Nominal Pipe Size Accommodated: 2.500 INCHES FIRST END IN; Mounting Position: VERTICAL; Connection Type: UNTHREADED INTERNAL 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.