The Valve,check, cataloged under National Stock Number 4820-01-466-7918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Evac North America Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-466-7918 |
| Primary Part Number | 5959902 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Evac North America Inc |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | WASTE PRODUCT SINGLE RESPONSE |
| Material | PLASTIC BODY |
| Material | RUBBER FLOW CONTROL DEVICE |
| Material | PLASTIC STEM |
| 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 |
|---|---|
| HSA004630 | Nqea Marine Safety Pty Ltd (AUS) |
| 5959900 | H I Fraser Pty Ltd (AUS) |
| 5959902 PRIMARY | Evac North America Inc (USA) |
| 5959902 | Evac (FRA) |
| 5959902 | Evac Oy (FIN) |
| Reference | Meaning |
|---|---|
| 4820PL1935174 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5959902 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 5959902 | 5/9 Secondary reference Evak Sanitaer Ab |
| 10002081 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5959902 | 5/9 Secondary reference Evac Oy |
| 4-5959902 | D/9 Drawing number reference only Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4820-01-466-7918 is a Valve,check, manufactured by Evac North America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-466-7918 has 5 manufacturer part numbers on file: HSA004630 (Nqea Marine Safety Pty Ltd), 5959900 (H I Fraser Pty Ltd), 5959902 (Evac North America Inc), 5959902 (Evac), 5959902 (Evac Oy).
Key specifications for 5959902: Connection Style: PLAIN (TUBE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Style Designator: STRAIGHT THRU. 9 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.