Model: 80478001

Valve Seat

Special Features:

With wrenching feature consisting of two holes, 0.218 in. Dia, 0.125 in. Deep, spaced 180 degrees apart, 1.325 in. C to c distance

Properties:

Thread Class

2a single threaded portion

Thread Length

0.200 inches single threaded portion

Flange Diameter

1.803 inches

Flange Seat To Disk End Height

0.400 inches

Under Flange Height

0.165 inches

Thready Qty Per Inch (tpi)

24 single threaded portion

Thread Size

1.750 inches single threaded portion

Seating Surface Shape

Flat

Body Stepped Inside Diameter

1.500 inches second step

Body Stepped Inside Diameter

1.375 inches first step

Material

Copper alloy body

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

NSN

4820-00-194-9915

Part Number

80478001

Description

Seat,valve

CAGE

20266

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 80478001 NSN 4820-00-194-9915

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

594

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