Model: 658328

Valve Seat

Properties:

Flange Diameter

Between 1.165 inches and 1.175 inches

Body Outside Diameter

Between 1.064 inches and 1.065 inches

Body Inside Diameter

Between 0.967 inches and 0.972 inches

Flange Seat To Disk End Height

0.060 inches

Under Flange Height

Between 0.215 inches and 0.220 inches

Seat Angle In Deg

15.000

Hardness Rating

20.0 rockwell c and 26.0 rockwell c

Seating Surface Shape

Angular

Material

Steel comp 416

Surface Treatment

Passivate

Style Designator

Plain flanged

NSN

4820-00-654-3715

Part Number

658328

Description

Seat,valve

CAGE

81982

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 658328 NSN 4820-00-654-3715

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:

594

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