Valve Seat NSN 4820-00-180-5207

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: 4820-00-180-5207

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Features and Characteristics

Flange Diameter

0.781 inches

Body Outside Diameter

Between 0.557 inches and 0.559 inches

Body Inside Diameter

0.250 inches

Flange Seat To Disk End Height

Between 0.098 inches and 0.102 inches

Under Flange Height

0.410 inches

Hardness Rating

55.0 rockwell c and 60.0 rockwell c

Seating Surface Shape

Flat

Material

Steel comp 440c

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

001805207

NSN

4820001805207

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

16504

Cage Code:

98656

Status:

MSDS:

Part Number:

10161950

Cage Code:

18876

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 4820-00-180-5207

What are the manufacturers of nsn 4820001805207?

Benton Div (98656)
U S Army Aviation And Missile (18876)

Does this nsn 4820001805207 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820001805207
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 4820001805207 contain any precious metals?
No precious metal content.

Does nsn 4820001805207 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820001805207?
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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