Valve Seat NSN 4820-01-573-7919

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: 4820-01-573-7919

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Features and Characteristics

Overall Height

0.259 inches

Body Outside Diameter

1.062 inches

Body Inside Diameter

0.562 inches

End Application

4820-01-259-1319, p/n 259089 assembly a; 4820-01-273-4722, ball valve, p/n 258850 asst d mod a-b plain

Seating Surface Shape

Radial

Part Name Assigned By Controlling Agency

Seat - 1-way seal 0-4500 psi w.P.

Material

Plastic

Material Specification

Torlon 4203l as mfgd by amoco chemical corporation mfr ref single material response or ultem 1000 as mfgd by general electric company mfr ref single material response

Style Designator

Plain

FSC

4820 Nonpowered Valves

NIIN

015737919

NSN

4820015737919

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

255669 PC 3 TORLON 4203L

Cage Code:

43689

Status:

MSDS:

Part Number:

258850 ITEM 85 TORLON 4203L

Cage Code:

43689

Status:

MSDS:

Part Number:

259089 ITEM 14 TORLON 4203L

Cage Code:

43689

Status:

MSDS:

Part Number:

255669 PC 3 TORLON 4203

Cage Code:

71905

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 4820-01-573-7919

What are the manufacturers of nsn 4820015737919?

Huntington Ingalls Incorporated (43689)
Derbyshire Machine & Tool Co (71905)

Does this nsn 4820015737919 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015737919
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 4820015737919 contain any precious metals?
No precious metal content.

Does nsn 4820015737919 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015737919?
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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