The Valve,check, cataloged under National Stock Number 4820-01-533-9471, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ovc-Engineered Solutions Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-533-9471 |
| Primary Part Number | 1219-010 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ovc-Engineered Solutions Llc |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Style Designator | STRAIGHT THRU DROP-IN CARTRIDGE |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | PLASTIC CHLORINATED POLYVINYLCHLORIDE BODY |
| 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 |
|---|---|
| 1219-010 PRIMARY | Ovc-Engineered Solutions Llc (USA) |
| Reference | Meaning |
|---|---|
| 1219-010 | 5/9 Secondary reference Engineered Piping Products, Inc. |
NSN 4820-01-533-9471 is a Valve,check, manufactured by Ovc-Engineered Solutions Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-533-9471 has 1 manufacturer part number on file: 1219-010 (Ovc-Engineered Solutions Llc).
Key specifications for 1219-010: Flow Control Device: BALL; Mounting Position: HORIZONTAL OR VERTICAL; Style Designator: STRAIGHT THRU DROP-IN CARTRIDGE; Media for Which Designed: WATER, FRESH SINGLE RESPONSE. 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.