Model: 18806

Valve Seat

Properties:

Thread Class
2a single threaded portion
Flange Diameter
3.434 inches
Body Inside Diameter
2.484 inches
Flange Seat To Disk End Height
0.323 inches
Under Flange Height
0.380 inches
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
3.000 inches single threaded portion
Seating Surface Shape
Flat
Material
Stainless steel
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
NSN
4820-00-799-1441
Part Number
18806
Description
Seat,valve
CAGE
73475

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.

Part 18806 NSN 4820-00-799-1441

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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