Model: 89HM10974-1

Valve Seat

Properties:

Flange Diameter

Between 0.684 inches and 0.685 inches

Body Outside Diameter

Between 0.684 inches and 0.685 inches

Body Inside Diameter

Between 0.509 inches and 0.511 inches

Flange Seat To Disk End Height

0.078 inches

Under Flange Height

0.218 inches

Seal Accommodation Type

Grooved

Seating Surface Shape

Flat

Material

Steel comp 440c

Style Designator

Plain flanged

Fsc Application Data

Cylinder assembly, hydraulic system, aircraft

NSN

4820-00-700-7238

Part Number

89HM10974-1

Description

Seat,valve

CAGE

26512

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 89HM10974-1 NSN 4820-00-700-7238

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:

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

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