Model: 8542-009-440

Valve Seat

Properties:

Flange Diameter

3.657 inches

Body Outside Diameter

3.500 inches

Body Inside Diameter

3.000 inches

End Application

3in swing check valve

Flange Seat To Disk End Height

0.815 inches

Under Flange Height

0.156 inches

Material

Stainless steel

Material Specification

Astm a182 assn standard single material response

Style Designator

Plain flanged

Reference Number Differentiating Characteristics

Magnetic permeability shall not exceed 2.0 after fabrication

NSN

4820-01-343-7308

Part Number

8542-009-440

Description

Seat,valve

CAGE

57574

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 8542-009-440 NSN 4820-01-343-7308

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

60.0

WCC:

594

TCC:

SHC:

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