Model: 840-164589-3

Engine Valve Seat Insert

Properties:

Overall Height

Between 0.373 inches and 0.375 inches

Body Outside Diameter

Between 2.159 inches and 2.160 inches

Body Inside Diameter

Between 1.750 inches and 1.760 inches

Seat Angle In Deg

45.000

Seal Accommodation Type

Recessed

Hardness Rating

50.0 rockwell c and 60.0 rockwell c

Seating Surface Shape

Angular

Material

Any acceptable

Style Designator

Plain

NSN

2815-00-106-4558

Part Number

840-164589-3

Description

Insert,engine Valve Seat

CAGE

55683

A metal ring designed to provide a seating surface for a valve, poppet, engine it is made of special high-grade alloy metal that can withstand high operating temperatures. For fulid valves, see seat, valve.

Part 840-164589-3 NSN 2815-00-106-4558

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

42140

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

13.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8409998000
SITC: 71392
End Use: Industrial engines
NAICS: 333618
USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi