The Stem,fluid Valve, cataloged under National Stock Number 4820-01-230-1198, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-230-1198 |
| Primary Part Number | 8540 PIECE 4 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Valve Size for Which Designed | 1.000 INCHES IN |
| Stem Actuating End Type | ROUNDED |
| Material | NICKEL ALLOY |
| Valve Type for Which Designed | RELIEF |
| Valve Model Number for Which Designed | 1241-T |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8540 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 3,326,955 | Naval Ship Systems Command (USA) |
| 8540-4 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8540 PIECE 4 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 3,326,955 PIECE 4 | Naval Ship Systems Command (USA) |
| 8540 PIECE 4 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-230-1198 is a Stem,fluid Valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-230-1198 has 6 cross-referenced part numbers: 8540 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 3,326,955 (Naval Ship Systems Command), 8540-4 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8540 PIECE 4 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 3,326,955 PIECE 4 (Naval Ship Systems Command) and 1 more.
There are 12 known substitutes for 4820-01-230-1198: 4940-00-006-0965, 5365-00-133-3662, 5950-00-229-9797 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8540 PIECE 4: Valve Size for Which Designed: 1.000 INCHES IN; Stem Actuating End Type: ROUNDED; Material: NICKEL ALLOY; Overall Length: 9.188 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.