AL52990-189PC4

Valve Seat

NSN 4820-00-036-0455

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000360455

Product Features

5.0 degrees clearance ontop to maintain 0.125 in. Seat w

Technical Specifications of NSN

Thread Class:

2a single threaded portion

Thread Length:

1.250 inches single threaded portion

Overall Height:

1.500 inches

Body Inside Diameter:

27.000 inches

Thready Qty Per Inch (tpi):

8 single threaded portion

Thread Size:

28.500 inches single threaded portion

Seating Surface Shape:

Flat

Material:

Copper

Style Designator:

B5 plain threaded

Style Designator:

Plain threaded

Thread Series Designator:

Uns single threaded portion

NSN:

4820-00-036-0455

Item Name:

Insert,valve Seat

Cage Code:

11672

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

052990-004

Cage Code:

11672

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:

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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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.