Model: 66720P020

Valve Seat

Properties:

Overall Height

Between 0.383 inches and 0.388 inches

Body Outside Diameter

Between 2.335 inches and 2.336 inches

Body Inside Diameter

Between 1.930 inches and 1.950 inches

Seat Angle In Deg

Between 33.000 and 37.000

Hardness Rating

80.0 rockwell b face and 100.0 rockwell b face

Hardness Rating

80.0 rockwell b body and 100.0 rockwell b body

Seating Surface Shape

Angular

Material

Aluminum alloy

Material Specification

Ams4635 assn standard single material response

Style Designator

Plain

NSN

4820-00-565-3726

Part Number

66720P020

Description

Seat,valve

CAGE

80254

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 66720P020 NSN 4820-00-565-3726

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:

92.5

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