Model: 428B947-11

Valve Seat

Properties:

Flange Diameter
Between 4.187 inches and 4.188 inches
Body Outside Diameter
3.120 inches
Body Inside Diameter
Between 1.938 inches and 1.948 inches
Seat Radius
Between 0.667 inches and 0.677 inches
Flange Seat To Disk End Height
1.625 mils and 1.627 centimeters
Under Flange Height
1.875 inches
Seating Surface Shape
Radial
Style Designator
Plain flanged
NSN
4820-00-860-0714
Part Number
428B947-11
Description
Seat,valve
CAGE
01289

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 428B947-11 NSN 4820-00-860-0714

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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