The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-421-1708, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 20 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 | 4820-01-421-1708 |
| Primary Part Number | U303933106 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Filter | NOT INCLUDED |
| First End Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU |
| First End Flange Outside Diameter | 6.000 INCHES NOMINAL IN |
| Material | STEEL STEM |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| First End Raised Face Height | 0.062 INCHES NOMINAL IN |
| First End Raised Face Diameter | 3.625 INCHES NOMINAL IN |
| First End Style Designator | RAISED |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | STEEL BODY |
| First End Connection Type | RAISED FACE FLANGE |
| End Connection Quantity | 2 |
| Second End Relationship with First End | IDENTICAL |
| Flow Control Device | PLUG |
| First End Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Valve Loading Method | SPRING |
| First End Flange Thickness | 0.562 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS-5 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| LS-5 2IN. | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| U303933106 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-01-421-1708 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-421-1708 has 3 cross-referenced part numbers: LS-5 (Leslie Controls, Inc. Dba Leslie Controls Inc), LS-5 2IN. (Leslie Controls, Inc. Dba Leslie Controls Inc), U303933106 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 5 known substitutes for 4820-01-421-1708: 3110-00-203-4103, 3120-00-662-1965, 4920-01-476-7716 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for U303933106: First End Bolt Hole Quantity: 4; Filter: NOT INCLUDED; First End Bolt Circle Diameter: 4.750 INCHES NOMINAL IN; Body Style: STRAIGHT THRU. 21 total characteristics are documented in the Federal Logistics Information System.