The Flange,gland,valve, cataloged under National Stock Number 4820-01-463-4321, 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 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-463-4321 |
| Primary Part Number | 83309-37- 4IN PC 11 |
| Item Name | Flange,gland,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Material | STEEL COMP 316 |
| Bolt Hole Quantity | 2 |
| Nominal Center Hole Diameter | 1.3750 INCHES IN |
| Flange Shape | ROUND |
| Valve Size | 4.000 INCHES IN |
| Valve Type | GATE |
| Flange Diameter | 2.250 INCHES IN |
| Bolt Hole Nominal Diameter | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 83309-37 4IN PC | Velan Valve Corp. (USA) |
| 83309 | Velan Valve Corp. (USA) |
| 83309-37- 4IN PC 11 PRIMARY | Velan Valve Corp. (USA) |
NSN 4820-01-463-4321 is a Flange,gland,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-463-4321 has 3 cross-referenced part numbers: 83309-37 4IN PC (Velan Valve Corp.), 83309 (Velan Valve Corp.), 83309-37- 4IN PC 11 (Velan Valve Corp.).
There are 7 known substitutes for 4820-01-463-4321: 2510-00-845-8663, 6105-00-894-6798, 4820-01-234-8594 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 83309-37- 4IN PC 11: Special Features: W/S NIMITZ CLASS CVN; Material: STEEL COMP 316; Bolt Hole Quantity: 2; Nominal Center Hole Diameter: 1.3750 INCHES IN. 10 total characteristics are documented in the Federal Logistics Information System.