1-321-802-5889

NSN 4820-01-115-7399

Valve Seat Insert

About this product

0.965 inches body inside diameter, 20 single threaded portion thready qty per inch (tpi), flat seating surface shape, material: nickel copper alloy qq-n-281 .

Manufacturer part number 51145-FP-183 for national stock number 4820011157399.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-115-7399.

  • MPN or Model

    51145-FP-183

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    2a single threaded portion
  • Err Default
    0.210 inches single threaded portion
  • Overall Height
    0.472 inches
  • Body Inside Diameter
    0.965 inches
  • Thready Qty Per Inch (tpi)
    20 single threaded portion
  • Thread Size
    1.438 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Nickel copper alloy qq-n-281
  • Style Designator
    B5 plain threaded
  • Thread Series Designator
    Un single threaded portion
Valve Seat

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Mechanic Bill explains Valve Seat Insert

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NSN 4820011157399

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
51145-FP-183 Milwaukee Valve Company, Inc.
51145-F Milwaukee Valve Company, Inc.
51145-FP-180 Milwaukee Valve Company, Inc.
Stock Check
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