Model: 418578

Valve Seat

Properties:

Overall Height

Between 0.154 inches and 0.158 inches

Body Outside Diameter

Between 0.504 inches and 0.505 inches

Body Inside Diameter

Between 0.187 inches and 0.188 inches

Seating Surface Shape

Flat

Material

Copper alloy ca360

Style Designator

Plain

NSN

4820-00-737-7814

Part Number

418578

Description

Seat,valve

CAGE

65282

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 418578 NSN 4820-00-737-7814

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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