1-321-802-5889
Email Us

NSN 4820-01-442-0424

Valve Seat Insert

About this product

A/k/a seat upper.

Manufacturer part number 218020208 for national stock number 4820014420424.

Datasheet

  • Product description

    Valve Seat NSN 4820-01-442-0424.

  • MPN or Model

    218020208

  • 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.)
    0.5 lb
  • Thread Class
    3a single threaded portion
  • Thread Length
    0.650 inches single threaded portion
  • Flange Diameter
    5.750 inches
  • Body Outside Diameter
    5.360 inches
  • Body Inside Diameter
    4.625 inches
  • End Application
    Seawolf class ssn
  • Flange Seat To Disk End Height
    0.600 inches
  • Under Flange Height
    0.775 inches
  • Thready Qty Per Inch (tpi)
    12 single threaded portion
  • Hardness Rating
    115.0 rockwell r seat
  • Thread Size
    5.500 inches single threaded portion
  • Seating Surface Shape
    Flat
  • Material
    Plastic polytetrafluoroethylene seat
  • Style Designator
    Plain 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

Pricing and Availability

Get a quote for 4820-01-442-0424 valve seat
Quantity:
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 4820014420424

We do not share, sell, or distribute your information to any third party.
Privacy | Terms

All major credit cards accepted as well as gov. p-cards
Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
218020208 Naval Sea Systems Command
801-6556655 FIND A5 Naval Sea Systems Command
801-6556655-A5 Naval Sea Systems Command
2643-1002-63 FN A5 Electric Boat Corporation
2643-1002-63 Electric Boat Corporation
6556655 Naval Sea Systems Command
218020208 Naval Sea Systems Command
801-6556655 FIND A5 Naval Sea Systems Command
801-6556655-A5 Naval Sea Systems Command
2643-1002-63 FN A5 Electric Boat Corporation
6556655 Naval Sea Systems Command
2643-1002-63 Electric Boat Corporation
218020208 Naval Sea Systems Command
801-6556655 FIND A5 Naval Sea Systems Command
Stock Check
Availability of this NSN has not been updated recently. Submit the pricing and availbility form above to receive an up to date quote.