Model: D21001M

Valve Seat

Properties:

Thread Class

2a single threaded portion

Flange Diameter

1.750 inches

Body Inside Diameter

1.000 inches

Flange Seat To Disk End Height

0.375 inches

Under Flange Height

0.375 inches

Thready Qty Per Inch (tpi)

14 single threaded portion

Thread Size

1.500 inches single threaded portion

Seating Surface Shape

Flat

Material

Copper alloy 482

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

NSN

4820-01-127-5149

Part Number

D21001M

Description

Seat,valve

CAGE

34889

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 D21001M NSN 4820-01-127-5149

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:

050855

UFC:

29290

LTL:

RATING VARIABLE

LCL:

WCC:

576

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