The Disk,valve, cataloged under National Stock Number 4820-00-942-7684, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-942-7684 |
| Primary Part Number | 20520-1 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Nominal Thread Size | 0.313 INCHES IN |
| Material | STEEL |
| Seat Angle | 30.0 DEGREES NOMINAL |
| Thread Series Designator | UNF |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20520-1 PRIMARY | Grove Valve Operations (USA) |
NSN 4820-00-942-7684 is a Disk,valve, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-942-7684 has 1 cross-referenced part number: 20520-1 (Grove Valve Operations).
There are 6 known substitutes for 4820-00-942-7684: 5905-00-043-0110, 5355-00-058-1054, 4320-01-201-7554 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20520-1: Nominal Thread Size: 0.313 INCHES IN; Material: STEEL; Seat Angle: 30.0 DEGREES NOMINAL; Overall Height: 0.980 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.