Model: 13789

Valve Seat

Special Features:

Lugs and slots 4 places face end, flanged both ends

Properties:

Flange Diameter

Between 0.496 inches and 0.498 inches

Overall Height

Between 0.234 inches and 0.236 inches

Body Outside Diameter

Between 0.387 inches and 0.389 inches

Body Inside Diameter

Between 0.055 inches and 0.192 inches

Seal Accommodation Type

Grooved

Hardness Rating

25.0 rockwell c body and 32.0 rockwell c body

Material

Steel

Surface Treatment

Passivate

Fsc Application Data

Aircraft hydraulic directional flow control valve

NSN

4820-00-511-5174

Part Number

13789

Description

Seat,valve

CAGE

0UES3

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 13789 NSN 4820-00-511-5174

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:

0.1000lbs

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:

594

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