Model: 303058

Engine Valve Seat Insert

Properties:

Flange Diameter
0.672 inches
Body Outside Diameter
Between 0.628 inches and 0.631 inches
Body Inside Diameter
0.484 inches
Flange Seat To Disk End Height
0.187 mils and 0.190 centimeters
Under Flange Height
Between 0.310 inches and 0.313 inches
Seating Surface Shape
Flat
Material
Nickel or copper alloy
Style Designator
Plain flanged
NSN
2805-00-057-2383
Part Number
303058
Description
Insert,engine Valve Seat
CAGE
78393

A metal ring designed to provide a seating surface for a valve, poppet, engine it is made of special high-grade alloy metal that can withstand high operating temperatures. For fulid valves, see seat, valve.

Part 303058 NSN 2805-00-057-2383

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
42140
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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