Model: 442B204-1

Valve Seat

Properties:

Overall Height

3.125 inches

Body Outside Diameter

3.500 inches

Body Inside Diameter

Between 1.706 inches and 1.708 inches

Seat Angle In Deg

50.000

Seating Surface Shape

Angular

Material

Rod, welding, surfacing seat

Material

Steel body

Material Specification

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

Style Designator

Plain

NSN

4820-00-860-0717

Part Number

442B204-1

Description

Seat,valve

CAGE

24446

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 442B204-1 NSN 4820-00-860-0717

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:

593

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