The Valve,rotary,selector, cataloged under National Stock Number 4820-01-312-6028, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-312-6028 |
| Primary Part Number | 8541D-1/2HD2 |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Connection Type | THREADED INTERNAL PIPE |
| Operating Pressure and Type | 2000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC OIL MAXIMUM REQUIRED LBS |
| Thread Series Designator | NPT |
| Body Material | ALUMINUM ALLOY |
| Nominal Thread Size | 0.500 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 160.0 FAHRENHEIT OIL, HYDRAULIC DEGF |
| Mounting Facility | INLINE |
| Connection Quantity | 4 |
| Features Provided | CLOSED CENTER |
| Valve Size | 0.500 INCHES IN |
| Flow Control Device | PORTED ROTOR |
| Flow Type | FOUR-WAY |
| Connection Location | SIDE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 854 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 8541E-1/2HD2 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 8541D-1/2HD2 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
NSN 4820-01-312-6028 is a Valve,rotary,selector, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-312-6028 has 3 cross-referenced part numbers: 854 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 8541E-1/2HD2 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 8541D-1/2HD2 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
There are 12 known substitutes for 4820-01-312-6028: 3110-00-100-0342, 5940-00-188-5440, 5977-00-194-9692 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8541D-1/2HD2: Valve Operation Method: MANUAL; Connection Type: THREADED INTERNAL PIPE; Operating Pressure and Type: 2000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC OIL MAXIMUM REQUIRED LBS; Thread Series Designator: NPT. 15 total characteristics are documented in the Federal Logistics Information System.