The Disk,valve, cataloged under National Stock Number 4820-00-779-0777, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-779-0777 |
| Primary Part Number | 98303 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Seat Angle | 60.0 DEGREES NOMINAL |
| Flange Diameter | 2.125 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 3.160 INCHES NOMINAL IN |
| Inside Diameter | 0.415 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 81320-A PIECE 2 | Schneider Electric Systems Usa Inc (USA) |
| 98303 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
NSN 4820-00-779-0777 is a Disk,valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-779-0777 has 2 cross-referenced part numbers: 81320-A PIECE 2 (Schneider Electric Systems Usa Inc), 98303 (Schneider Electric Systems Usa Inc).
There are 3 known substitutes for 4820-00-779-0777: 5815-00-332-8875, 3120-01-628-4666, 6645-01-646-2615. Verify interchangeability with system specifications before substitution.
Key specifications for 98303: Seat Angle: 60.0 DEGREES NOMINAL; Flange Diameter: 2.125 INCHES NOMINAL IN; Flange Seat to Disk End Height: 3.160 INCHES NOMINAL IN; Inside Diameter: 0.415 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.