The Valve,restrictor Check, cataloged under National Stock Number 4820-00-136-5042, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-136-5042 |
| Primary Part Number | 194-4-12 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY BODY |
| Style Designator | STRAIGHT THRU |
| Surface Treatment | ANODIZE |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Material | ALUMINUM ALLOY FLOW CONTROL DEVICE |
| Renewable Seat Ring Type | THREADED |
| Valve Operation Method | AUTOMATIC |
| Material | STEEL SEAT |
| Flow Control Device | POPPET |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Disk Loading Method | SPRING |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Thread Series Designator | NPTF ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-136-5042 is a Valve,restrictor Check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-136-5042 has 2 cross-referenced part numbers: 194-4-12 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division), 194-4-12 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
There is 1 known substitute for 4820-00-136-5042: 5330-00-291-5747. Verify interchangeability with system specifications before substitution.
Key specifications for 194-4-12: Material: ALUMINUM ALLOY BODY; Style Designator: STRAIGHT THRU; Surface Treatment: ANODIZE; Media for Which Designed: HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE. 15 total characteristics are documented in the Federal Logistics Information System.