Valve Seat NSN 4820-01-455-7551

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: 4820-01-455-7551

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Features and Characteristics

Thread Class

3a single threaded portion

Err Default

0.688 inches single threaded portion

Flange Diameter

5.812 inches

Body Inside Diameter

4.625 inches

End Application

Dn-5 4.0 in control valve; nimitz class cvn

Flange Seat To Disk End Height

0.437 inches

Under Flange Height

0.688 inches

Seat Angle In Deg

45.000

Thready Qty Per Inch (tpi)

14 single threaded portion

Thread Size

5.500 inches single threaded portion

Seating Surface Shape

Angular

Material

Steel comp 316

Material Specification

Astm a-182 gr f assn standard single material response

Style Designator

Threaded flanged

Thread Series Designator

Uns single threaded portion

FSC

4820 Nonpowered Valves

NIIN

014557551

NSN

4820014557551

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

N323870058

Cage Code:

35795

Status:

MSDS:

Part Number:

323870058

Cage Code:

35795

Status:

MSDS:

Part Number:

18337N PC 34

Cage Code:

35795

Status:

MSDS:

Part Number:

18337N

Cage Code:

35795

Status:

MSDS:

Part Number:

32387

Cage Code:

35795

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 4820-01-455-7551

What are the manufacturers of nsn 4820014557551?

Leslie Controls, Inc. (35795)

Does this nsn 4820014557551 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014557551
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 4820014557551 contain any precious metals?
No precious metal content.

Does nsn 4820014557551 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014557551?
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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