The Valve,check, cataloged under National Stock Number 4820-01-627-9849, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W S Darley & Co Div Darley Pump Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | W S Darley & Co Div Darley Pump Division (CAGE 5B337) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-627-9849 |
| Primary Part Number | 5212400 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W S Darley & Co Div Darley Pump Division |
| Status | ACTIVE |
| 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 |
|---|---|
| 5212400 PRIMARY | W S Darley & Co Div Darley Pump Division (USA) |
NSN 4820-01-627-9849 is a Valve,check, manufactured by W S Darley & Co Div Darley Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-627-9849 has 1 manufacturer part number on file: 5212400 (W S Darley & Co Div Darley Pump Division).
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.