The Stem,fluid Valve, cataloged under National Stock Number 4820-00-479-8833, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-479-8833 |
| Primary Part Number | M4635 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
| Status | CANCELLED |
| Largest Outside Diameter | 0.625 INCHES NOMINAL IN |
| Stem Actuating End Type | SQUARE |
| Valve Type for Which Designed | BUTTERFLY |
| Valve Model Number for Which Designed | FIG 421 |
| Valve Size for Which Designed | 2.000 INCHES IN |
| Material | STEEL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 14-22-1PIECE 5 | Emerson Automation Solutions Final Control Us Lp (USA) |
| 14-21-1 | Emerson Automation Solutions Final Control Us Lp (USA) |
| 218-020-421-002 | Emerson Automation Solutions Final Control Us Lp (USA) |
| 102-218-020-421-002 | Emerson Automation Solutions Final Control Us Lp (USA) |
| M4635 PRIMARY | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
NSN 4820-00-479-8833 is a Stem,fluid Valve, manufactured by Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-479-8833 has 5 cross-referenced part numbers: 14-22-1PIECE 5 (Emerson Automation Solutions Final Control Us Lp), 14-21-1 (Emerson Automation Solutions Final Control Us Lp), 218-020-421-002 (Emerson Automation Solutions Final Control Us Lp), 102-218-020-421-002 (Emerson Automation Solutions Final Control Us Lp), M4635 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).
There are 12 known substitutes for 4820-00-479-8833: 5950-00-007-9839, 5315-00-141-6354, 3895-00-164-2651 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for M4635: Largest Outside Diameter: 0.625 INCHES NOMINAL IN; Stem Actuating End Type: SQUARE; Valve Type for Which Designed: BUTTERFLY; Valve Model Number for Which Designed: FIG 421. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-479-8833 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.