The Valve,check, cataloged under National Stock Number 4820-01-004-2816, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bromine Systems Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-004-2816 |
| Primary Part Number | 244334 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bromine Systems Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | BARBED-BEADED (HOSE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Disk Loading Method | SPRING |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 244334 PRIMARY | Bromine Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 4852-00 | 5/9 Secondary reference Pentair Filtration Solutions, Llc |
| 4852 | 5/9 Secondary reference Pentair Filtration Solutions, Llc |
NSN 4820-01-004-2816 is a Valve,check, manufactured by Bromine Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-004-2816 has 1 manufacturer part number on file: 244334 (Bromine Systems Inc).
Key specifications for 244334: Flow Control Device: POPPET; Connection Style: BARBED-BEADED (HOSE) ALL ENDS; Mounting Position: HORIZONTAL; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS. 8 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.