Model: 1803

Valve Seat

Properties:

Overall Height

Between 0.098 inches and 0.102 inches

Body Outside Diameter

Between 0.904 inches and 0.908 inches

Body Inside Diameter

Between 0.607 inches and 0.613 inches

Seat Angle In Deg

55.000

Seating Surface Shape

Angular

Material

Plastic

NSN

4820-00-366-6936

Part Number

1803

Description

Seat,valve

CAGE

13669

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 1803 NSN 4820-00-366-6936

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