The Seat,valve, cataloged under National Stock Number 4820-00-775-5999, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-775-5999 |
| Primary Part Number | E84 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Body Outside Diameter | 2.722 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Flange Seat to Disk End Height | 0.190 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Seating Surface Shape | FLAT |
| Under Flange Height | 0.190 INCHES NOMINAL IN |
| Body Inside Diameter | 2.273 INCHES NOMINAL IN |
| Flange Diameter | 2.955 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-775-5999 is a Seat,valve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-775-5999 has 4 cross-referenced part numbers: R743PC22 (Circor Naval Solutions Llc Dba Warren Pumps), E84 (Circor Naval Solutions Llc Dba Warren Pumps), R745PC22 (Circor Naval Solutions Llc Dba Warren Pumps), R747ITEM6 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 3 known substitutes for 4820-00-775-5999: 6125-00-673-8273, 5120-01-140-4497, 5305-01-145-7609. Verify interchangeability with system specifications before substitution.
Key specifications for E84: Body Outside Diameter: 2.722 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Flange Seat to Disk End Height: 0.190 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 8 total characteristics are documented in the Federal Logistics Information System.