Valve Seat NSN 4820-00-399-4460

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: 4820-00-399-4460

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Features and Characteristics

Overall Height

Between 1.057 inches and 1.067 inches

Taper Minor Diameter

0.375 inches

Taper Major Diameter

0.531 inches

Body Outside Diameter

1.625 inches

Body Inside Diameter

0.531 inches

Seat Radius

Between 0.120 inches and 0.130 inches

Seating Surface Shape

Radial

Special Features

This is a repair part and 0.125 in.Excess is left on outside diameter and 0.063 in. On all other surfaces in order that they might be machined to proper dimensions when replacing worn part. Grind after stelliting. Finished outside diameter is 1.438 porm 0.002

Material

Steel comp 410

Material Specification

Qq-s-00763 federal specification single material response

Style Designator

Plain

FSC

4820 Nonpowered Valves

NIIN

003994460

NSN

4820003994460

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1505659

Cage Code:

90099

Status:

MSDS:

Part Number:

911C931PC6

Cage Code:

90099

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 4820-00-399-4460

What are the manufacturers of nsn 4820003994460?

Northrop Grumman Systems Corporation (90099)
Westinghouse Electric Corp (79500)
Westinghouse Electric Corp (11660)

Does this nsn 4820003994460 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003994460
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 4820003994460 contain any precious metals?
No precious metal content.

Does nsn 4820003994460 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003994460?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service