The Valve,hold,boom Hoist Cylinder, cataloged under National Stock Number 4820-01-729-0518, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fluid System Components, Inc. Div Fluid Systems Components. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-729-0518 |
| Primary Part Number | 219092402-50 |
| Item Name | Valve,hold,boom Hoist Cylinder |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fluid System Components, Inc. Div Fluid Systems Components |
| 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 |
|---|---|
| 219092402-50 PRIMARY | Fluid System Components, Inc. Div Fluid Systems Components (USA) |
| Reference | Meaning |
|---|---|
| YMD-14199 | D/9 Drawing number reference only Appleton Marine Inc |
NSN 4820-01-729-0518 is a Valve,hold,boom Hoist Cylinder, manufactured by Fluid System Components, Inc. Div Fluid Systems Components, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-729-0518 has 1 manufacturer part number on file: 219092402-50 (Fluid System Components, Inc. Div Fluid Systems Components).
Key specifications for 219092402-50: Part Name Assigned by Controlling Agency: SWING COUNTERBALANCE VALVE. 0 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.