PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-2144-48Valve,plug

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 4820-00-486-2647 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-486-2647 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-486-2647. Primary manufacturer part number: 1-2144-48.
Features
  • Valve,plug — FSC 4820
  • Nominal Thread Size: 1.312 INCHES FIRST END1.312 INCHES FIRST END IN
  • Connection Style: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
  • Thread Series Designator: UN FIRST END
  • Flow Style: THREE -WAY THREE PORT 270 DEGREE PLUG TURNTHREE -WAY THREE PORT 270 DEGREE PLUG TURN
  • Thread Quantity Per Inch: 12 FIRST END12 FIRST END
  • Mounting Facility: THREADED FASTENERTHREADED FASTENER
  • Nominal Outside Diameter Tube Accommodated: 1.000 INCHES FIRST END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,plug, cataloged under National Stock Number 4820-00-486-2647, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-486-2647
Primary Part Number1-2144-48
Item NameValve,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusCANCELLED
Nominal Thread Size1.312 INCHES FIRST END1.312 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
Thread Series DesignatorUN FIRST END
Flow StyleTHREE -WAY THREE PORT 270 DEGREE PLUG TURNTHREE -WAY THREE PORT 270 DEGREE PLUG TURN
Thread Quantity Per Inch12 FIRST END12 FIRST END
Mounting FacilityTHREADED FASTENERTHREADED FASTENER
Nominal Outside Diameter Tube Accommodated1.000 INCHES FIRST END IN
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Thread Class3A FIRST END3A FIRST END A
MaterialALUMINUM ALLOY BODY
Thread DirectionRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
Features ProvidedNONADJUSTABLE ROTATIONNONADJUSTABLE ROTATION
Seat Angle37.0 DEGREES FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
Operating Pressure50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6610-00-526-7852 INTERCHANGEABLE
Pitot-Static Tube
Cross-Reference Index
Part NumberManufacturer
1-1244-48M4 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
1-2144-48 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
1-2144-48M4 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
1-1244-48M4N Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
1-1244-48M4N Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
633382-11 Lockheed Martin Corp (USA)
1-1244-48 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
1-2144-48M4 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
1-2144-48 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
1-2144-48M4N Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
1-1244-48M4 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
1-2144-48M4N Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
1-1244-48 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
Related Parts
6610-00-526-7852INTERCHANGEABLE
PITOT-STATIC TUBE

Frequently Asked Questions

What is NSN 4820-00-486-2647?

NSN 4820-00-486-2647 is a Valve,plug, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-486-2647?

NSN 4820-00-486-2647 has 13 cross-referenced part numbers: 1-1244-48M4 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 1-2144-48 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 1-2144-48M4 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 1-1244-48M4N (Parker Hannifin Corporation Div Aerospace Group Headquarters), 1-1244-48M4N (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters) and 8 more.

What NSN replaces 4820-00-486-2647?

There is 1 known substitute for 4820-00-486-2647: 6610-00-526-7852. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-2144-48?

Key specifications for 1-2144-48: Nominal Thread Size: 1.312 INCHES FIRST END1.312 INCHES FIRST END IN; Connection Style: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END; Thread Series Designator: UN FIRST END; Flow Style: THREE -WAY THREE PORT 270 DEGREE PLUG TURNTHREE -WAY THREE PORT 270 DEGREE PLUG TURN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-486-2647 still in active supply?

NSN 4820-00-486-2647 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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