Model: 180714-81

Valve Seat

Properties:

Flange Diameter

Between 0.510 inches and 0.515 inches

Overall Height

0.250 inches

Body Outside Diameter

Between 0.498 inches and 0.500 inches

Body Inside Diameter

Between 0.374 inches and 0.376 inches

Seat Radius

0.025 inches

Flange Seat To Disk End Height

0.060 inches

Under Flange Height

0.195 inches

Seating Surface Shape

Radial

Material

Plastic

Material Specification

Mil-m-20693, comp a, type 1 military specification single material response

Style Designator

Plain flanged

NSN

4820-00-057-6429

Part Number

180714-81

Description

Seat,valve

CAGE

99657

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 180714-81 NSN 4820-00-057-6429

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:

576

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