Valve Seat NSN 4820-01-429-8422

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: 4820-01-429-8422

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Features and Characteristics

Thread Class

3a single threaded portion

Err Default

4.8125 inches single threaded portion

Overall Height

0.688 inches

Body Outside Diameter

4.813 inches

Body Inside Diameter

4.062 inches

End Application

Strategic sealift conversion ships class

Seat Angle In Deg

30.000

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

4.000 inches single threaded portion

Seating Surface Shape

Angular

Special Features

E/i: 4 inch gate valve

Material

Nickel alloy 400 seat or nickel alloy seat

Material Specification

Qq-n-281 anl federal specification single material response seat or astm a494, grade -30h assn standard single material response seat

Style Designator

Plain

Thread Series Designator

Uns single threaded portion

FSC

4820 Nonpowered Valves

NIIN

014298422

NSN

4820014298422

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MB2502E-0400-30

Cage Code:

30263

Status:

MSDS:

Part Number:

51187-N-184

Cage Code:

76364

Status:

MSDS:

Part Number:

803-2177917-4-30

Cage Code:

53711

Status:

MSDS:

Part Number:

803-2177917 PC 30

Cage Code:

80064

Status:

MSDS:

Part Number:

2177917

Cage Code:

80064

Status:

MSDS:

Part Number:

803-2177917

Cage Code:

53711

Status:

MSDS:

Part Number:

803-2177917-45

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 4820-01-429-8422

What are the manufacturers of nsn 4820014298422?

Does this nsn 4820014298422 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014298422
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 4820014298422 contain any precious metals?
No precious metal content.

Does nsn 4820014298422 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014298422?
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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