Model: AL52989-189PC4

Valve Seat

Properties:

Thread Class

2a single threaded portion

Thread Length

1.250 inches single threaded portion

Overall Height

1.250 inches

Body Inside Diameter

30.125 inches

Thread Size

31.500 inches single threaded portion

Seating Surface Shape

Flat

Material

Copper

Style Designator

B5 plain threaded

Style Designator

Plain threaded

Thread Series Designator

Unc single threaded portion

NSN

4820-00-036-0454

Part Number

AL52989-189PC4

Description

Seat,valve

CAGE

11672

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 AL52989-189PC4 NSN 4820-00-036-0454

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:

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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