Valve Seat NSN 4820-00-586-3920

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: 4820-00-586-3920

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Features and Characteristics

Thread Class

2a single threaded portion

Err Default

0.316 inches single threaded portion

Flange Diameter

Between 0.934 inches and 0.940 inches

Taper Minor Diameter

Between 0.469 inches and 0.473 inches

Taper Major Diameter

Between 0.547 inches and 0.551 inches

Body Inside Diameter

Between 0.422 inches and 0.426 inches

Flange Seat To Disk End Height

Between 0.119 inches and 0.125 inches

Under Flange Height

0.316 inches

Seat Angle In Deg

15.000

Thready Qty Per Inch (tpi)

24 single threaded portion

Thread Size

0.766 inches single threaded portion

Seating Surface Shape

Angular

Special Features

1 seat ring

Material

Copper alloy

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

FSC

4820 Nonpowered Valves

NIIN

005863920

NSN

4820005863920

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

C8943-9EPCALLNICU

Cage Code:

63686

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 4820-00-586-3920

What are the manufacturers of nsn 4820005863920?

The Walworth Company (63686)

Does this nsn 4820005863920 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820005863920
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 4820005863920 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820005863920 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820005863920?
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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