The Disk,valve, cataloged under National Stock Number 4820-01-186-3759, 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 7 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 | 4820-01-186-3759 |
| Primary Part Number | 16739 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Style Designator | POPPET |
| Flange Seat to Disk End Height | 0.359 INCHES NOMINAL IN |
| Outside Diameter | 1.870 INCHES NOMINAL IN |
| Inside Diameter | 1.375 INCHES NOMINAL IN |
| Material | STEEL OR STEEL CORROSION RESISTING |
| Seat Angle | 90.0 DEGREES NOMINAL |
| Shank Diameter | 0.406 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 16739 PRIMARY | Flowserve Inc (USA) |
NSN 4820-01-186-3759 is a Disk,valve, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-186-3759 has 1 cross-referenced part number: 16739 (Flowserve Inc).
There are 4 known substitutes for 4820-01-186-3759: 4820-00-018-3077, 4720-00-202-6454, 5330-00-444-2602 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 16739: Style Designator: POPPET; Flange Seat to Disk End Height: 0.359 INCHES NOMINAL IN; Outside Diameter: 1.870 INCHES NOMINAL IN; Inside Diameter: 1.375 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.