Model: 17181

Valve Seat

Properties:

Flange Diameter

Between 2.632 inches and 2.633 inches

Body Outside Diameter

Between 2.273 inches and 2.277 inches

Body Inside Diameter

Between 2.182 inches and 2.192 inches

End Application

Aircraft eng r1830

Flange Seat To Disk End Height

Between 0.436 inches and 0.438 inches

Under Flange Height

Between 0.136 inches and 0.144 inches

Seat Angle In Deg

90.000

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

4820-00-118-2829

Part Number

17181

Description

Seat,valve

CAGE

00198

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 17181 NSN 4820-00-118-2829

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:

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