640-54PC2

Valve Seat

NSN 4820-00-390-3764

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

003903764

Product Features

Four 0.625 in. Diameter mtg holes in flange

Product Technical Spec.

Flange Diameter:

6.500 inches

Body Outside Diameter:

5.000 inches

Body Inside Diameter:

3.000 inches

Flange Seat To Disk End Height:

0.375 inches

Under Flange Height:

1.875 inches

Seat Angle In Deg:

30.000

Seating Surface Shape:

Angular

Material:

Copper alloy body

Style Designator:

Plain flanged

NSN:

4820-00-390-3764

Item Name:

Insert,valve Seat

Cage Code:

72957

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

NH30032PC2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30043PC2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30047PC2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30052PC2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30067PC90

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30070PC2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30079PC88

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30083PC2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30058-2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30058PC2

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

NH30058

Cage Code:

72957

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

050855

UFC:

29290

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Valve Seat Insert"

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.