The Valve,safety Relief, cataloged under National Stock Number 4820-00-241-4427, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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 | 4820-00-241-4427 |
| Primary Part Number | 1503-3 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Flow Control Device | BALL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Adjustable Pressure Range | +800.0 TO 4000.0 POUNDS PER SQUARE INCH LBS |
| Disk Loading Method | SPRING |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Valve Operation Method | AUTOMATIC |
| Thread Series Designator | NPT ALL ENDS |
| Style Designator | ANGLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1503-3 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA) |
| 1503-3 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 1503-3-4000 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 1503-3-4000 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA) |
| MMC60PC9 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA) |
| MMC60PC9 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
NSN 4820-00-241-4427 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-241-4427 has 6 cross-referenced part numbers: 1503-3 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division), 1503-3 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 1503-3-4000 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 1503-3-4000 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division), MMC60PC9 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division) and 1 more.
There are 12 known substitutes for 4820-00-241-4427: 3110-00-044-4462, 5133-00-189-9278, 5970-00-438-5040 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1503-3: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Flow Control Device: BALL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Adjustable Pressure Range: +800.0 TO 4000.0 POUNDS PER SQUARE INCH LBS. 11 total characteristics are documented in the Federal Logistics Information System.