The Seat,valve, cataloged under National Stock Number 4820-01-189-2125, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 1 verified specification, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-189-2125 |
| Primary Part Number | 8364 ITEM 3-4IN |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8364 ITEM 3-4IN PRIMARY | William E Williams Valve Corp (USA) |
| 8364 | William E Williams Valve Corp (USA) |
NSN 4820-01-189-2125 is a Seat,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-189-2125 has 2 cross-referenced part numbers: 8364 ITEM 3-4IN (William E Williams Valve Corp), 8364 (William E Williams Valve Corp).
There are 10 known substitutes for 4820-01-189-2125: 5960-00-135-9489, 5930-00-636-2827, 4820-01-178-8806 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8364 ITEM 3-4IN: Material: STEEL OVERALL. 1 total characteristics are documented in the Federal Logistics Information System.