The Valve,plug, cataloged under National Stock Number 4820-00-541-6990, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-541-6990 |
| Primary Part Number | 324-111X-4D |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | CANCELLED |
| Operating Pressure | 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Flow Style | THREE-WAY ONE PORT BOTTOM OUTLET 360 DEGREE PLUG TURN |
| Features Provided | ADJUSTABLE ROTATION STOP |
| Valve Operation Method | MANUAL |
| Media for Which Designed | AIR FIRST RESPONSE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Thread Size | 0.437 INCHES ALL ENDS IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER, FRESH THIRD RESPONSE |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| Material | ALUMINUM ALLOY STEM |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY BODY |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SECOND RESPONSE |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 324-111X4D | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 7-155-21 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 324-111X-4D PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 80770-0100-18 | Harsco Corp Bmy-Combat Systems Div (USA) |
NSN 4820-00-541-6990 is a Valve,plug, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-541-6990 has 4 cross-referenced part numbers: 324-111X4D (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 7-155-21 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 324-111X-4D (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 80770-0100-18 (Harsco Corp Bmy-Combat Systems Div).
There are 2 known substitutes for 4820-00-541-6990: 4820-01-362-9326, 2940-01-426-3028. Verify interchangeability with system specifications before substitution.
Key specifications for 324-111X-4D: Operating Pressure: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Flow Style: THREE-WAY ONE PORT BOTTOM OUTLET 360 DEGREE PLUG TURN; Features Provided: ADJUSTABLE ROTATION STOP; Valve Operation Method: MANUAL. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-541-6990 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.