The Seat,valve, cataloged under National Stock Number 4820-00-393-4343, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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 | 4820-00-393-4343 |
| Primary Part Number | 0015298 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Thread Series Designator | UN FIRST THREADED PORTION |
| Style Designator | DOUBLE FLANGED |
| Material | STEEL OVERALL |
| Thread Series Designator | UN SECOND THREADED PORTION |
| Body Inside Diameter | 1.500 INCHES NOMINAL IN |
| Nominal Thread Size | 2.625 INCHES SECOND THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 16 SECOND THREADED PORTION |
| Thread Length | 0.750 INCHES NOMINAL SECOND THREADED PORTION IN |
| Thread Length | 0.500 INCHES NOMINAL FIRST THREADED PORTION IN |
| Thread Quantity Per Inch | 16 FIRST THREADED PORTION |
| Seat Angle in Deg | 45.000 NOMINAL |
| Nominal Thread Size | 2.125 INCHES FIRST THREADED PORTION IN |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-393-4343 is a Seat,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-393-4343 has 2 cross-referenced part numbers: 15298 (Ashcroft Inc Dba Heise), 0015298 (Ashcroft Inc Dba Heise).
There are 7 known substitutes for 4820-00-393-4343: 5950-00-159-9795, 4820-00-631-1097, 4720-00-890-5014 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 0015298: Thread Series Designator: UN FIRST THREADED PORTION; Style Designator: DOUBLE FLANGED; Material: STEEL OVERALL; Thread Series Designator: UN SECOND THREADED PORTION. 15 total characteristics are documented in the Federal Logistics Information System.