The Valve,check, cataloged under National Stock Number 4820-01-225-5795, 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 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-225-5795 |
| Primary Part Number | 583-1 1/2D1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| Thread Series Designator | NPT ALL ENDS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SECOND RESPONSE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Media for Which Designed | AIR THIRD RESPONSE |
| Media for Which Designed | WATER, FRESH FIRST RESPONSE |
| Material | ALUMINUM ALLOY OVERALL |
| Nominal Thread Size | 1.500 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 583-1 1/2-D1 | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| 4592488 | Naval Air Warfare Center Weapons Div (USA) |
| 583-1 1/2DI | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| 105303-1 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 583-1 1/2D1 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 583-1 1/2D1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 105303 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 4592488 ITEM 53 | Naval Air Warfare Center Weapons Div (USA) |
NSN 4820-01-225-5795 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-225-5795 has 8 cross-referenced part numbers: 583-1 1/2-D1 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 4592488 (Naval Air Warfare Center Weapons Div), 583-1 1/2DI (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 105303-1 (L3harris Technologies, Inc. Div Space and Airborne Systems), 583-1 1/2D1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit) and 3 more.
There are 8 known substitutes for 4820-01-225-5795: 5307-00-025-7981, 5925-00-815-8646, 5935-00-846-8236 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 583-1 1/2D1: Flow Control Device: DISK; Valve Operation Method: AUTOMATIC; Thread Series Designator: NPT ALL ENDS; Media for Which Designed: FUEL/OIL, HYDROCARBON SECOND RESPONSE. 11 total characteristics are documented in the Federal Logistics Information System.