Model: 786903-1

Valve Seat

Properties:

Flange Diameter

Between 4.760 inches and 4.790 inches

Body Outside Diameter

Between 3.863 inches and 3.869 inches

Body Inside Diameter

Between 3.370 inches and 3.390 inches

Flange Seat To Disk End Height

Between 0.550 inches and 0.580 inches

Under Flange Height

Between 1.420 inches and 1.440 inches

Fsc Application Data

Aircraft hydraulic system

NSN

4810-00-473-9281

Part Number

786903-1

Description

Seat,valve

CAGE

98897

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 786903-1 NSN 4810-00-473-9281

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:

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