The Disk,valve, cataloged under National Stock Number 4820-01-142-0283, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-142-0283 |
| Primary Part Number | 16683 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Flange Diameter | 0.680 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Style Designator | POPPET |
| Shank Diameter | 0.680 INCHES NOMINAL IN |
| Seat Angle | 70.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 16683 PRIMARY | Flowserve Inc (USA) |
NSN 4820-01-142-0283 is a Disk,valve, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-142-0283 has 1 cross-referenced part number: 16683 (Flowserve Inc).
There are 4 known substitutes for 4820-01-142-0283: 5310-00-911-9375, 5998-01-010-8681, 6515-01-589-0728 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 16683: Flange Diameter: 0.680 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Style Designator: POPPET; Overall Height: 0.812 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.