Valve Seat NSN 4820-00-999-3603

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: 4820-00-999-3603

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Features and Characteristics

Thread Class

2a single threaded portion

Thread Length

1.000 inches single threaded portion

Flange Diameter

7.500 inches

Taper Minor Diameter

Between 5.994 inches and 6.001 inches

Taper Major Diameter

0.429 inches

Body Inside Diameter

Between 5.994 inches and 6.001 inches

Flange Seat To Disk End Height

0.375 inches

Under Flange Height

1.000 inches

Seat Angle In Deg

45.000

Thready Qty Per Inch (tpi)

14 single threaded portion

Thread Size

7.000 inches single threaded portion

Seating Surface Shape

Angular

Material

Steel body

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

Fsc Application Data

Valve, nonpowered

FSC

4820 Nonpowered Valves

NIIN

009993603

NSN

4820009993603

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

12764N PIECE 22

Cage Code:

35795

Status:

MSDS:

Part Number:

12027NPC16

Cage Code:

35795

Status:

MSDS:

Part Number:

29991

Cage Code:

35795

Status:

MSDS:

Part Number:

299915

Cage Code:

35795

Status:

MSDS:

Part Number:

9167N PIECE 53A

Cage Code:

35795

Status:

MSDS:

Part Number:

S4824H3219733 PIECE 53A

Cage Code:

80064

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 4820-00-999-3603

What are the manufacturers of nsn 4820009993603?

Leslie Controls, Inc. (35795)
Naval Ship Systems Command (80064)

Does this nsn 4820009993603 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820009993603
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 4820009993603 contain any precious metals?
No precious metal content.

Does nsn 4820009993603 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820009993603?
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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Certificate of Conformance
Quality Inspected Parts
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