Model: 658328

Valve Seat

Properties:

Flange Diameter
Between 1.165 inches and 1.175 inches
Body Outside Diameter
Between 1.064 inches and 1.065 inches
Body Inside Diameter
Between 0.967 inches and 0.972 inches
Flange Seat To Disk End Height
0.060 inches
Under Flange Height
Between 0.215 inches and 0.220 inches
Seat Angle In Deg
15.000
Hardness Rating
20.0 rockwell c and 26.0 rockwell c
Seating Surface Shape
Angular
Material
Steel comp 416
Surface Treatment
Passivate
Style Designator
Plain flanged
NSN
4820-00-654-3715
Part Number
658328
Description
Seat,valve
CAGE
81982

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 658328 NSN 4820-00-654-3715

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
Z
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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