Valve Seat NSN 4820-00-388-1421

Item Description

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.

NSN: 4820-00-388-1421

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Features and Characteristics

Flange Diameter

Between 1.595 inches and 1.605 inches

Body Outside Diameter

Between 0.877 inches and 0.878 inches

Body Inside Diameter

0.313 inches

Seat Radius

Between 0.370 inches and 0.380 inches

Flange Seat To Disk End Height

0.500 inches

Under Flange Height

0.625 inches

Seating Surface Shape

Radial

Material

Rod, welding, surfacing face

Material Specification

Mil-r-17131, type mil-rcocr-a military specification single material response face

FSC

4820 Nonpowered Valves

NIIN

003881421

NSN

4820003881421

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1504432

Cage Code:

79500

Status:

MSDS:

Part Number:

95J563PC176

Cage Code:

79500

Status:

MSDS:

Part Number:

95J571PC34

Cage Code:

79500

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481909090
NAICS: 332911
SITC: 74790
Description: Parts of taps, cocks, valves and similar appliances, nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-388-1421

What are the manufacturers of nsn 4820003881421?

Westinghouse Electric Corp (79500)

Does this nsn 4820003881421 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003881421
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.

Does nsn 4820003881421 contain any precious metals?
No precious metal content.

Does nsn 4820003881421 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003881421?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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