The Seat,valve, cataloged under National Stock Number 4820-00-901-2418, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-901-2418 |
| Primary Part Number | 578-4824-1674857REVALINE42 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Style Designator | PLAIN THREADED |
| Seating Surface Shape | ANGULAR |
| Seat Angle in Deg | 45.000 NOMINAL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Nominal Thread Size | 2.125 INCHES SINGLE THREADED PORTION IN |
| Body Inside Diameter | 1.500 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Length | 2.000 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9398PCLN2 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8530PC34 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A7440-001-108 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A7440-001-127 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9213REVAPC12SH1 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 578-4824-1674857REVALINE42 PRIMARY | Naval Ship Systems Command (USA) |
| 9214REVALINE42SH3 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A7440-001-128 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A7440.001.128 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9383PCLN32 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8506-28 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9383PCLN32 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 07440001128 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9648PC4 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9214REVALINE42SH3 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8530PC34 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9213REVAPC12SH1 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8506-28 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A7440-001-127 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A7440-001-128 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-00-901-2418 is a Seat,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-901-2418 has 29 cross-referenced part numbers: 9398PCLN2 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8530PC34 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A7440-001-108 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A7440-001-127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9213REVAPC12SH1 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 24 more.
There are 4 known substitutes for 4820-00-901-2418: 6620-00-382-8827, 4820-00-586-4213, 5980-01-020-3954 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 578-4824-1674857REVALINE42: Style Designator: PLAIN THREADED; Seating Surface Shape: ANGULAR; Seat Angle in Deg: 45.000 NOMINAL; Thread Series Designator: UNS SINGLE THREADED PORTION. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-901-2418 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.