Model: 21F-CB7 4IN PC14

Valve Seat

Special Features:

Valve size 4 in.

Properties:

End Application

Strategic sealift conversion ships class

Material

Copper alloy seat

Style Designator

Plain flanged

NSN

4820-01-435-8238

Part Number

21F-CB7 4IN PC14

Description

Seat,valve

CAGE

61661

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 21F-CB7 4IN PC14 NSN 4820-01-435-8238

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