Valve Seat NSN 4820-00-399-4472

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: 4820-00-399-4472

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Features and Characteristics

Flange Diameter

Between 1.563 inches and 1.573 inches

Taper Length

0.376 inches

Taper Minor Diameter

Between 0.495 inches and 0.505 inches

Taper Major Diameter

0.688 inches

Body Outside Diameter

Between 1.062 inches and 1.063 inches

Body Inside Diameter

0.688 inches

Seat Radius

Between 0.151 inches and 0.161 inches

Flange Seat To Disk End Height

0.477 mils and 0.483 centimeters

Under Flange Height

Between 1.329 inches and 1.335 inches

Seating Surface Shape

Radial

Material

Steel body

Material Specification

Mil-s-853, class 3, type a military specification single material response body

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

003994472

NSN

4820003994472

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1-JC-6125PIECE2

Cage Code:

11660

Status:

MSDS:

Part Number:

1791692

Cage Code:

79500

Status:

MSDS:

Part Number:

1-JC-6125PC2

Cage Code:

90099

Status:

MSDS:

Part Number:

1JH2856PC48

Cage Code:

79500

Status:

MSDS:

Part Number:

1-JH-2856PIECE48

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 4820-00-399-4472

What are the manufacturers of nsn 4820003994472?

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

Does this nsn 4820003994472 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003994472
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 4820003994472 contain any precious metals?
No precious metal content.

Does nsn 4820003994472 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003994472?
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
Quality Fast Service