The Stem,fluid Valve, cataloged under National Stock Number 4820-01-289-8351, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-289-8351 |
| Primary Part Number | 8558-0-63 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Largest Outside Diameter | 2.188 INCHES NOMINAL IN |
| Valve Size for Which Designed | 12.000 INCHES IN |
| Material | STEEL COMP 410 |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 83309-31 | Velan Valve Corp. (USA) |
| 83309-31 ITEM 7 12IN. VALVE | Velan Valve Corp. (USA) |
| 8558-0-63 PRIMARY | Velan Valve Corp. (USA) |
NSN 4820-01-289-8351 is a Stem,fluid Valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-289-8351 has 3 cross-referenced part numbers: 83309-31 (Velan Valve Corp.), 83309-31 ITEM 7 12IN. VALVE (Velan Valve Corp.), 8558-0-63 (Velan Valve Corp.).
There are 5 known substitutes for 4820-01-289-8351: 5365-00-592-0267, 4820-01-143-5741, 4820-01-273-7644 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8558-0-63: Valve Type for Which Designed: GATE; Overall Length: 38.000 INCHES NOMINAL IN; Largest Outside Diameter: 2.188 INCHES NOMINAL IN; Valve Size for Which Designed: 12.000 INCHES IN. 6 total characteristics are documented in the Federal Logistics Information System.