Model: 408420P5

Valve Seat

Properties:

Overall Height
Between 0.230 inches and 0.250 inches
Body Outside Diameter
Between 0.630 inches and 0.631 inches
Body Inside Diameter
Between 0.214 inches and 0.224 inches
Hardness Rating
45.0 rockwell c body and 50.0 rockwell c body
Hardness Rating
45.0 rockwell c face and 50.0 rockwell c face
Seating Surface Shape
Flat
Criticality Code Justification
Adas
Material
Steel
Style Designator
Plain
NSN
4820-00-731-6405
Part Number
408420P5
Description
Seat,valve
CAGE
77445

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 408420P5 NSN 4820-00-731-6405

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:
AW
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
85.0
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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