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

Valve Seat

Model / MPN: 07447.002.128 | NSN: 4820-01-034-1722
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
4820-01-034-1722
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Thread Class
2a single threaded portion
Overall Height
2.375 inches
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
2.625 inches single threaded portion
Seating Surface Shape
Flat
Body Stepped Inside Diameter
1.375 inches first step
Body Stepped Inside Diameter
2.000 inches second step and 2.010 inches second step
Body Stepped Inside Diameter
2.438 inches third step
Material
Copper alloy or stainless steel
Material Specification
Astm b-61 assn standard 1st material response or mil-s-867, class 1 military specification 2nd material response
Style Designator
Plain threaded
Thread Series Designator
Uns single threaded portion
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC16T2355 Seat, Valve 7 EA 11/12/2015
SPE7MC17T3792 Seat, Valve 21 EA 11/21/2016
SPE7M317T2020 Seat, Valve 26 EA 02/17/2017
SPE7M317T6681 Seat, Valve 26 EA 08/03/2017
SPE7M319T2795 Seat, Valve 12 EA 12/10/2018
SPE7M319T5190 Seat, Valve 14 EA 02/11/2019
SPE7M319T9198 Seat, Valve 19 EA 05/13/2019
SPE7M319T9705 Seat, Valve 8 EA 05/28/2019
SPE7M319T090P Seat, Valve 2 EA 08/05/2019
SPE7M319T114J Seat, Valve 11 EA 08/19/2019
SPE7M320T0530 Seat, Valve 22 EA 10/21/2019
SPE7M320T5307 Seat, Valve 21 EA 02/10/2020
SPE7M320T7713 Seat, Valve 6 EA 03/30/2020

Pricing and Availability

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07447.002.128 Cross Reference
  • SW122 FIND 6
  • 20256 FIND 4
  • 20253PC5
  • C12636PC4
  • 20253PC5
  • C12636PC4
  • A7447-002-128
  • A7447-002-128