Model: 667J658PC9

Valve Seat

Properties:

Thread Class

3a single threaded portion

Thread Length

0.875 inches single threaded portion

Flange Diameter

Between 2.460 inches and 2.480 inches

Seat Radius

Between 0.255 inches and 0.259 inches

Flange Seat To Disk End Height

1.000 inches

Under Flange Height

0.875 inches

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

2.000 inches single threaded portion

Seating Surface Shape

Radial

Body Stepped Inside Diameter

0.687 inches first step

Body Stepped Inside Diameter

0.966 inches second step

Material

Steel body

Material

Steel seat

Material Specification

De15-15b mfr ref single material response body

Material Specification

Stellite haynes 6 mfr ref single material response seat

Style Designator

Threaded flanged

Thread Series Designator

Un single threaded portion

Fsc Application Data

Steam turbine, electric generation

NSN

4820-00-992-0630

Part Number

667J658PC9

Description

Seat,valve

CAGE

79500

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 667J658PC9 NSN 4820-00-992-0630

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:

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