Model: 900V589

Valve Seat

Properties:

Flange Diameter
Between 0.920 inches and 0.923 inches
Body Outside Diameter
Between 0.920 inches and 0.923 inches
End Application
An/alq-155; an/alt-28
Flange Seat To Disk End Height
Between 0.050 inches and 0.060 inches
Under Flange Height
0.235 inches
Seal Accommodation Type
Recessed
Seating Surface Shape
Flat
Body Stepped Inside Diameter
0.499 inches second step and 0.501 inches second step
Body Stepped Inside Diameter
0.665 inches third step and 0.685 inches third step
Body Stepped Inside Diameter
0.730 inches first step and 0.750 inches first step
Material
Aluminum alloy 2024
Material Specification
Ams 4119, t351 assn standard single material response
Surface Treatment
Anodize
Surface Treatment Specification
Ams 2470, gray assn standard single treatment response
Style Designator
Plain flanged
NSN
4820-01-110-7170
Part Number
900V589
Description
Seat,valve
CAGE
00672

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 900V589 NSN 4820-01-110-7170

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:
60.0
WCC:
594
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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