The Disk,valve, cataloged under National Stock Number 4820-01-284-2132, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-284-2132 |
| Primary Part Number | 391 2984 009 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| Status | ACTIVE |
| Shank Diameter | 0.749 INCHES NOMINAL IN |
| Outside Diameter | 0.867 INCHES NOMINAL IN |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Material | STEEL |
| 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 |
|---|---|
| 355 9107 082 ITEM 10 | Parker Hannifin Corporation Div Cylinder Division (USA) |
| 391 2984 009 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| 9926106059 | Grove U.s. Llc Dba Grove Us Llc (USA) |
NSN 4820-01-284-2132 is a Disk,valve, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-284-2132 has 3 manufacturer part numbers on file: 355 9107 082 ITEM 10 (Parker Hannifin Corporation Div Cylinder Division), 391 2984 009 (Parker Hannifin Corporation Div Cylinder Division), 9926106059 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 391 2984 009: Shank Diameter: 0.749 INCHES NOMINAL IN; Overall Height: 1.188 INCHES NOMINAL IN; Outside Diameter: 0.867 INCHES NOMINAL IN; Seat Angle: 45.0 DEGREES NOMINAL. 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.