The Seat,valve, cataloged under National Stock Number 4820-00-919-8378, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-919-8378 |
| Primary Part Number | N53926 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Nominal Thread Size | 4.062 INCHES SINGLE THREADED PORTION IN |
| Style Designator | THREADED FLANGED |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Flange Diameter | 4.438 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Body Inside Diameter | 3.266 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Flange Seat to Disk End Height | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.688 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Under Flange Height | 0.688 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Seat Angle in Deg | 45.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-919-8378 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-919-8378 has 3 cross-referenced part numbers: 53926 (Leslie Controls, Inc. Dba Leslie Controls Inc), N53926 (Leslie Controls, Inc. Dba Leslie Controls Inc), 19965N (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 7 known substitutes for 4820-00-919-8378: 5305-00-151-0354, 5306-00-448-4752, 4820-00-919-8381 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for N53926: Nominal Thread Size: 4.062 INCHES SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED; Thread Series Designator: UNS SINGLE THREADED PORTION; Flange Diameter: 4.438 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.