The Seat,valve, cataloged under National Stock Number 4820-01-139-1687, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-139-1687 |
| Primary Part Number | 12130-42 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Material | NICKEL ALLOY OVERALL |
| Style Designator | THREADED FLANGED |
| Flange Seat to Disk End Height | 0.153 INCHES NOMINAL IN |
| Flange Diameter | 3.811 INCHES NOMINAL IN |
| Thread Length | 0.415 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Under Flange Height | 0.543 INCHES NOMINAL IN |
| Body Inside Diameter | 3.022 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12130-42 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-01-139-1687 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-139-1687 has 1 cross-referenced part number: 12130-42 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There is 1 known substitute for 4820-01-139-1687: 5935-00-805-2579. Verify interchangeability with system specifications before substitution.
Key specifications for 12130-42: Material: NICKEL ALLOY OVERALL; Style Designator: THREADED FLANGED; Flange Seat to Disk End Height: 0.153 INCHES NOMINAL IN; Flange Diameter: 3.811 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.