Model: 439B750PC5

Valve Seat

Properties:

Flange Diameter

Between 5.125 inches and 5.126 inches

Body Outside Diameter

2.260 inches

Body Inside Diameter

Between 3.223 inches and 3.225 inches

Flange Seat To Disk End Height

Between 0.936 inches and 0.940 inches

Under Flange Height

2.002 inches

Hardness Rating

40.0 rockwell c face

Seating Surface Shape

Radial

Material

Steel body

Material Specification

Mil-s-18410, class a military specification single material response body

Style Designator

Plain flanged

NSN

4820-00-215-4722

Part Number

439B750PC5

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 439B750PC5 NSN 4820-00-215-4722

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:

736

TCC:

SHC:

ACC:

Engineer Supplies

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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