Model: K208-000418

Valve Seat

Properties:

Overall Height
Between 0.363 inches and 0.367 inches
Body Outside Diameter
Between 0.499 inches and 0.500 inches
Seat Angle In Deg
3.000
Seal Accommodation Type
Grooved
Hardness Rating
46.0 rockwell c and 50.0 rockwell c
Seating Surface Shape
Angular
Body Stepped Inside Diameter
0.218 inches second step and 0.219 inches second step
Body Stepped Inside Diameter
0.297 inches first step
Material
Steel
Material Specification
Qq-s-763 class440c federal specification all material responses
Surface Treatment
Passivate
Style Designator
Threaded flanged
NSN
4810-00-872-7931
Part Number
K208-000418
Description
Seat,valve
CAGE

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 K208-000418 NSN 4810-00-872-7931

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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
60.0
WCC:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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