Model: 20-544G

Valve Seat

Properties:

Flange Diameter
1.125 inches
Body Outside Diameter
0.750 inches
Body Inside Diameter
0.375 inches
Flange Seat To Disk End Height
0.250 inches
Under Flange Height
0.375 inches
Seat Angle In Deg
37.500
Seating Surface Shape
Angular
Material
Steel
Surface Treatment
Passivate
Style Designator
Plain flanged
NSN
4820-00-468-0164
Part Number
20-544G
Description
Seat,valve
CAGE
27235

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 20-544G NSN 4820-00-468-0164

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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