The Disk,valve, cataloged under National Stock Number 4820-00-427-4591, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 5 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-427-4591 |
| Primary Part Number | 106359 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Inside Depth | 1.825 INCHES NOMINAL IN |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Inside Diameter | 1.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 106359 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4820-00-427-4591 is a Disk,valve, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-427-4591 has 1 manufacturer part number on file: 106359 (Eaton Aerospace, Llc Dba Jackson South).
3 possible matches (shared part number, not a government interchangeability claim): 5365-00-754-1614, 4520-01-533-0624, 5305-01-715-7148. Verify interchangeability with system specifications before substitution.
Key specifications for 106359: Overall Height: 2.198 INCHES NOMINAL IN; Inside Depth: 1.825 INCHES NOMINAL IN; Outside Diameter: 1.500 INCHES NOMINAL IN; Seat Angle: 45.0 DEGREES NOMINAL. 5 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.