Model: AS144355

Valve Seat

Properties:

Flange Diameter

Between 2.819 inches and 2.820 inches

Body Outside Diameter

Between 2.367 inches and 2.371 inches

Body Inside Diameter

Between 2.276 inches and 2.286 inches

End Application

Aircraft eng r2800

Flange Seat To Disk End Height

Between 0.435 inches and 0.438 inches

Under Flange Height

Between 0.100 inches and 0.120 inches

Seat Angle In Deg

45.000

Hardness Rating

90.0 rockwell b body and 105.0 rockwell b body

Seating Surface Shape

Angular

Material

Steel body

Material Specification

Ams 5700 assn standard single material response body

Style Designator

Plain flanged

NSN

4820-00-306-6535

Part Number

AS144355

Description

Seat,valve

CAGE

12776

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 AS144355 NSN 4820-00-306-6535

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:

Paclk Weight:

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

60.0

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