Model: 40G904

Valve Seat

Special Features:

Two lugs, 0.625 in.X0.750 in., welded on large id, diametrically opposite each other

Properties:

Thread Length
1.000 inches single threaded portion
Flange Diameter
Between 8.369 inches and 8.371 inches
Taper Length
1.188 inches
Taper Minor Diameter
6.500 inches
Taper Major Diameter
7.000 inches
Body Inside Diameter
6.500 inches
Flange Seat To Disk End Height
1.000 inches
Under Flange Height
1.188 inches
Seat Angle In Deg
45.000
Seal Accommodation Type
Grooved
Thready Qty Per Inch (tpi)
8 single threaded portion
Thread Size
196.0 millimeters single threaded portion
Seating Surface Shape
Angular
Material
Stainless steel
Style Designator
Faucet
Thread Series Designator
Uns single threaded portion
NSN
4820-00-346-3272
Part Number
40G904
Description
Seat,valve
CAGE
53553

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 40G904 NSN 4820-00-346-3272

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:
A
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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