The Valve,check, cataloged under National Stock Number 4820-01-336-9046, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ilc Dover Lp. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-336-9046 |
| Primary Part Number | 210-20047-02 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ilc Dover Lp |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | AIR SINGLE RESPONSE |
| 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 |
|---|---|
| 210-20047-02 | Allied Materials & Equipment Co Inc Dba Allied Materials & Equipment Co Inc (USA) |
| 210-20047-02 PRIMARY | Ilc Dover Lp (USA) |
| Reference | Meaning |
|---|---|
| 4820PL1054963 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-01-336-9046 is a Valve,check, manufactured by Ilc Dover Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-336-9046 has 2 manufacturer part numbers on file: 210-20047-02 (Allied Materials & Equipment Co Inc Dba Allied Materials & Equipment Co Inc), 210-20047-02 (Ilc Dover Lp).
Key specifications for 210-20047-02: Style Designator: STRAIGHT THRU; Special Features: ITEM CONSISTS OF 1 EA,GASKET EX-HAUST VALVE,REF NO. 210-20028-01,CAGEC 74897 AND 1 EA,VALVE,EXHAUST,REF NO. ST20V2154-02; Media for Which Designed: AIR SINGLE RESPONSE; End Item Identification: HOOD/MASK. 2 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.