Model: 408420P5

Valve Seat

Properties:

Overall Height

Between 0.230 inches and 0.250 inches

Body Outside Diameter

Between 0.630 inches and 0.631 inches

Body Inside Diameter

Between 0.214 inches and 0.224 inches

Hardness Rating

45.0 rockwell c body and 50.0 rockwell c body

Hardness Rating

45.0 rockwell c face and 50.0 rockwell c face

Seating Surface Shape

Flat

Criticality Code Justification

Adas

Material

Steel

Style Designator

Plain

NSN

4820-00-731-6405

Part Number

408420P5

Description

Seat,valve

CAGE

77445

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 408420P5 NSN 4820-00-731-6405

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:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

85.0

WCC:

594

TCC:

SHC:

ACC:

Equipment for Aircraft

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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