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NSN 4820-01-214-3808

Valve Seat Insert

About this product

Lower seat.

Manufacturer part number 255-03 for national stock number 4820012143808.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-214-3808.

  • MPN or Model

    255-03

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    3a single threaded portion
  • Thread Length
    0.172 inches single threaded portion
  • Flange Diameter
    1.750 inches
  • Body Inside Diameter
    1.375 inches
  • Flange Seat To Disk End Height
    0.188 inches
  • Under Flange Height
    0.250 inches
  • Thready Qty Per Inch (tpi)
    18 single threaded portion
  • Hardness Rating
    Not rated
  • Thread Size
    1.625 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Stainless steel
  • Material Specification
    Qq-s-763 federal specification single material response
  • Style Designator
    Threaded flanged
  • Thread Series Designator
    Un single threaded portion
More from these suppliers
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 4820012143808

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
255-03 Trac Regulators Inc
40064-4 Trac Regulators Inc
40064-4 ITEM 20 Trac Regulators Inc
Stock Check
Availability for this item was last checked on 12/11/23. The quantities and conditions available at the time were:
  • NE: 102
  • NS: 1
  • SV: 1