Model: 1719

Valve Seat

Properties:

Flange Diameter

Between 0.185 inches and 0.195 inches

Body Outside Diameter

Between 0.154 inches and 0.157 inches

Body Inside Diameter

Between 0.066 inches and 0.070 inches

End Application

16508789158, a-7d

Flange Seat To Disk End Height

Between 0.085 inches and 0.090 inches

Under Flange Height

Between 0.058 inches and 0.063 inches

Seal Accommodation Type

Recessed

Hardness Rating

56.0 rockwell c and 60.0 rockwell c

Seating Surface Shape

Flat

Material

Steel comp 440c

Material Specification

Ams5630 assn standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072 military specification all treatment responses

Style Designator

Plain flanged

Fsc Application Data

Aircraft hydraulic system

NSN

4820-00-420-8445

Part Number

1719

Description

Seat,valve

CAGE

94874

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 1719 NSN 4820-00-420-8445

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:

0.3000lbs

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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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