Model: 894B432PC1

Valve Seat

Properties:

Flange Diameter

Between 4.438 inches and 4.439 inches

Taper Minor Diameter

Between 1.398 inches and 1.408 inches

Body Outside Diameter

3.260 inches

Body Inside Diameter

Between 1.398 inches and 1.408 inches

Seat Radius

Between 0.483 inches and 0.493 inches

Flange Seat To Disk End Height

1.625 mils and 1.627 centimeters

Under Flange Height

Between 1.873 inches and 1.875 inches

Seating Surface Shape

Radial

Material

Cobalt alloy face

Material Specification

Mil-r-17131, type mil-rcocr-a military specification single material response face

Style Designator

Plain flanged

NSN

4820-00-923-6851

Part Number

894B432PC1

Description

Seat,valve

CAGE

01289

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 894B432PC1 NSN 4820-00-923-6851

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:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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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