The Disk,valve, cataloged under National Stock Number 4820-01-289-1733, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-289-1733 |
| Primary Part Number | 8538-0-63 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Style Designator | SOLID WEDGE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 83309-31 ITEM 6A | Velan Valve Corp. (USA) |
| 8538-0-63 PRIMARY | Velan Valve Corp. (USA) |
| 83309-31 | Velan Valve Corp. (USA) |
NSN 4820-01-289-1733 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-289-1733 has 3 cross-referenced part numbers: 83309-31 ITEM 6A (Velan Valve Corp.), 8538-0-63 (Velan Valve Corp.), 83309-31 (Velan Valve Corp.).
There are 4 known substitutes for 4820-01-289-1733: 4820-01-143-5741, 4820-01-273-7644, 4820-01-289-8351 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8538-0-63: Overall Height: 13.750 INCHES NOMINAL IN; Seat Angle: 45.0 DEGREES NOMINAL; Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Style Designator: SOLID WEDGE. 5 total characteristics are documented in the Federal Logistics Information System.