The Valve,check, cataloged under National Stock Number 4820-01-292-3620, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Alfa Laval Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-292-3620 |
| Primary Part Number | 9843567100 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 9843567100 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 984.35671.00 | 5/9 Secondary reference Alfa Laval Inc |
| 984.35611.00 | 5/9 Secondary reference Alfa Laval Inc |
NSN 4820-01-292-3620 is a Valve,check, manufactured by Alfa Laval Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-292-3620 has 1 manufacturer part number on file: 9843567100 (Alfa Laval Inc).
Key specifications for 9843567100: Style Designator: STRAIGHT THRU; Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Material: COPPER ALLOY BODY; Valve Operation Method: AUTOMATIC. 4 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.