The Valve,check, cataloged under National Stock Number 4820-01-115-3361, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Asahi America Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-115-3361 |
| Primary Part Number | ACVFPVE-050 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Asahi America Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 2.000 INCHES IN |
| Nominal Outside Diameter | 5.980 INCHES ALL ENDS IN |
| Face to Face Distance | 7.870 INCHES IN |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.790 INCHES ALL ENDS IN |
| 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 |
|---|---|
| ACVFPVE-050 PRIMARY | Asahi America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2503115-003 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4820-01-115-3361 is a Valve,check, manufactured by Asahi America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-115-3361 has 1 manufacturer part number on file: ACVFPVE-050 (Asahi America Inc).
Key specifications for ACVFPVE-050: Flow Control Device: DISK; Flange Shape: ROUND ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Mounting Position: HORIZONTAL. 12 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.