Model: 18806

Valve Seat

Properties:

Thread Class

2a single threaded portion

Flange Diameter

3.434 inches

Body Inside Diameter

2.484 inches

Flange Seat To Disk End Height

0.323 inches

Under Flange Height

0.380 inches

Thready Qty Per Inch (tpi)

14 single threaded portion

Thread Size

3.000 inches single threaded portion

Seating Surface Shape

Flat

Material

Stainless steel

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

NSN

4820-00-799-1441

Part Number

18806

Description

Seat,valve

CAGE

73475

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 18806 NSN 4820-00-799-1441

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