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Worldwide distributor of NSN parts and consumables located in the USA.

Valve Seat

Model / MPN: 7543-700-002S | NSN: 4820-01-449-2743
ITAR Registered seal

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.

Product Details
NATO Stock Number
4820-01-449-2743
Sold in multiples of
1 EA
DEMIL
NO
Overall Height
0.750 inches
Body Outside Diameter
4.895 inches
Body Inside Diameter
4.000 inches
End Application
Arleigh burke class ddg
Seating Surface Shape
Flat
Material
Steel
Material Specification
Astm a105 assn standard single material response
Style Designator
Plain
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M315T6410 Seat, Valve 1 EA 03/12/2015
SPE7MC15Q2090 Seat, Valve 3 EA 04/16/2015
SPE7MC20T6660 Seat, Valve 1 EA 03/23/2020

Pricing and Availability

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7543-700-002S Cross Reference
  • 9999-001 4 INCH ITEM 4
  • 9999-001
  • 9999-001 4 INCH ITEM 4
  • 9999-001
  • 9999-001 4 INCH ITEM 4
  • 9999-001