The Valve,check, cataloged under National Stock Number 4820-00-781-7459, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-781-7459 |
| Primary Part Number | J417A-4SS-5 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | CANCELLED |
| Thread Class | 3A ALL ENDS A |
| Flow Control Device | POPPET |
| Disk Loading Method | SPRING |
| Valve Operation Method | AUTOMATIC |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Thread Series Designator | UNF ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | FLARELESS ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| J417A-4SS-5 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| MS24423-4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 98644-4 | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon (USA) |
| 2C4340 | Crissair Inc Div Esco Technologies (USA) |
| MIL-PRF-25675 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 418-4 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 417-4SS5 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| MS25675-4 | The Boeing Company (USA) |
| PS2-4821-2 | Lockheed Martin Corp (USA) |
| PS2-4821-2 | Lockheed Martin Corp (USA) |
| M25675-4 | The Boeing Company (USA) |
NSN 4820-00-781-7459 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-781-7459 has 11 cross-referenced part numbers: J417A-4SS-5 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), MS24423-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 98644-4 (Saf Industries Llc Dba Saf Industries Llc Div Garkenyon), 2C4340 (Crissair Inc Div Esco Technologies), MIL-PRF-25675 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.
There are 12 known substitutes for 4820-00-781-7459: 4820-00-045-7414, 4820-00-045-7415, 4820-00-121-1964 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for J417A-4SS-5: Thread Class: 3A ALL ENDS A; Flow Control Device: POPPET; Disk Loading Method: SPRING; Valve Operation Method: AUTOMATIC. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-781-7459 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.