Valve Seat NSN 4820-00-956-9447

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: 4820-00-956-9447

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Features and Characteristics

Thread Class

2a single threaded portion

Err Default

0.250 inches single threaded portion

Flange Diameter

1.245 inches

Body Inside Diameter

0.500 inches

Flange Seat To Disk End Height

0.159 inches

Under Flange Height

0.344 inches

Seat Angle In Deg

0.500

Thready Qty Per Inch (tpi)

14 single threaded portion

Thread Size

1.000 inches first threaded portion

Seating Surface Shape

Angular

Special Features

This item has been reviewed for asbestos material. The current approved source, 53059, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984

Material

Stainless steel

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

FSC

4820 Nonpowered Valves

NIIN

009569447

NSN

4820009569447

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

35453X11802

Cage Code:

53059

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 4820-00-956-9447

What are the manufacturers of nsn 4820009569447?

Spirax Sarco, Inc. (53059)

Does this nsn 4820009569447 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820009569447
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 4820009569447 contain any precious metals?
No precious metal content.

Does nsn 4820009569447 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820009569447?
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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