Model: 2640-671X3PC7Q3

Valve Seat

Properties:

Overall Height

0.625 inches

Body Outside Diameter

Between 3.621 inches and 3.623 inches

Body Inside Diameter

2.125 inches

Seat Radius

Between 0.155 inches and 0.157 inches

Seating Surface Shape

Radial

Criticality Code Justification

Zzzy

Material

Plastic polyamide

Material Specification

Gs, the polymer corporation mfr ref single material response

Special Test Features

Quality assurance tested for submarine safety program

Style Designator

Plain

Reference Number Differentiating Characteristics

Items that support a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process

NSN

4820-00-403-5989

Part Number

2640-671X3PC7Q3

Description

Seat,valve

CAGE

03950

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 2640-671X3PC7Q3 NSN 4820-00-403-5989

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:

4.5 X 4.5 X 1.5

Paclk Weight:

0.3000lbs

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