Model: 21935

Valve Seat

Properties:

Flange Diameter

Between 0.434 inches and 0.435 inches

Body Outside Diameter

Between 0.324 inches and 0.326 inches

Body Inside Diameter

0.187 inches

Flange Seat To Disk End Height

0.065 inches

Under Flange Height

0.090 inches

Seating Surface Shape

Flat

Material

Steel

Material Specification

Mil-s-7420 cond c military specification single material response

Style Designator

Plain flanged

NSN

4820-00-091-4261

Part Number

21935

Description

Seat,valve

CAGE

81982

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 21935 NSN 4820-00-091-4261

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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