Model: 10503

Valve Seat

Properties:

Flange Diameter

Between 0.994 inches and 0.996 inches

Body Outside Diameter

Between 0.994 inches and 0.996 inches

Body Inside Diameter

0.620 inches

Flange Seat To Disk End Height

1.700 inches

Under Flange Height

0.240 inches

Hardness Rating

48.0 rockwell c and 53.0 rockwell c

Seating Surface Shape

Flat

Material

Steel

Surface Treatment

Passivate

Style Designator

Plain flanged

Fsc Application Data

Valve, safety relief, hydraulic system, aircraft

NSN

4820-00-783-2908

Part Number

10503

Description

Seat,valve

CAGE

98656

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 10503 NSN 4820-00-783-2908

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:

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