Model: 2640-809X57 PC 4

Valve Seat

Properties:

Flange Diameter

3.125 inches

Body Outside Diameter

Between 1.996 inches and 1.998 inches

End Application

Valve b comb

Flange Seat To Disk End Height

Between 0.498 inches and 0.502 inches

Under Flange Height

Between 2.840 inches and 2.844 inches

Body Stepped Inside Diameter

0.812 inches second step

Body Stepped Inside Diameter

1.438 inches first step and 1.440 inches first step

Material

Titanium body

Material Specification

Mil-t-9047 military specification single material response body

Style Designator

Plain flanged

Reference Number Differentiating Characteristics

Quality control in accordance with navships 0948-045-7010 material identification and control instruction for subsafe items

NSN

4820-01-324-5390

Part Number

2640-809X57 PC 4

Description

Seat,valve

CAGE

96169

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 2640-809X57 PC 4 NSN 4820-01-324-5390

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:

4.0 X 4.0 X 4.0

Paclk Weight:

1.0000lbs

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:

100.0

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