Model: 20A45406

Valve Seat

Special Features:

Two holes, 0.270 in. Min, 0.290 in max dia, 120.0 degrees c to c

Properties:

Flange Diameter

Between 2.226 inches and 2.232 inches

Body Outside Diameter

Between 1.360 inches and 1.370 inches

Body Inside Diameter

Between 1.247 inches and 1.253 inches

Flange Seat To Disk End Height

0.060 mils and 0.061 centimeters

Under Flange Height

Between 0.249 inches and 0.256 inches

Seating Surface Shape

Flat

Material

Steel

Material Specification

Ams5643 assn standard single material response

Style Designator

Plain flanged

NSN

4810-00-924-5456

Part Number

20A45406

Description

Seat,valve

CAGE

11599

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 20A45406 NSN 4810-00-924-5456

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

6.0 X 6.0 X 4.0

Paclk Weight:

0.5000lbs

Item Weight:

0.1000lbs

Item Dim:

004000400010

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

77.5

WCC:

736

TCC:

SHC:

ACC:

Construction Materials

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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