PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

143P3AC3-MCValve,plug

Barksdale, Inc · NSN 4820-00-673-8005 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-673-8005 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-673-8005. Primary manufacturer part number: 143P3AC3-MC.
Features
  • Valve,plug — FSC 4820
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END
  • Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN
  • Valve Operation Method: MANUAL
  • Features Provided: NONADJUSTABLE ROTATION
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Thread Series Designator: NPT FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,plug, cataloged under National Stock Number 4820-00-673-8005, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Barksdale, Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-00-673-8005
Primary Part Number143P3AC3-MC
Item NameValve,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBarksdale, Inc
StatusCANCELLED
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Valve Operation MethodMANUAL
Features ProvidedNONADJUSTABLE ROTATION
Media for Which DesignedAIR SINGLE RESPONSE
Thread Series DesignatorNPT FIRST END
Flow StyleFOUR-WAY FOUR PORT 90 DEGREE PLUG TURN
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Quantity Per Inch14 FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Thread DirectionRIGHT-HAND FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5905-01-085-810812S13 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
1656163 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
143P3AC3-MC C-E Morgan Building Products Combustion Engineering Inc (USA)
143P3AC3-MC PRIMARY Barksdale, Inc (USA)
Related Parts
5905-01-085-8108INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
12S13

Frequently Asked Questions

What is NSN 4820-00-673-8005?

NSN 4820-00-673-8005 is a Valve,plug, manufactured by Barksdale, Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-673-8005?

NSN 4820-00-673-8005 has 3 cross-referenced part numbers: 1656163 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 143P3AC3-MC (C-E Morgan Building Products Combustion Engineering Inc), 143P3AC3-MC (Barksdale, Inc).

What NSN replaces 4820-00-673-8005?

There is 1 known substitute for 4820-00-673-8005: 5905-01-085-8108. Verify interchangeability with system specifications before substitution.

What are the specifications of 143P3AC3-MC?

Key specifications for 143P3AC3-MC: Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Valve Operation Method: MANUAL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-673-8005 still in active supply?

NSN 4820-00-673-8005 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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