Valve Seat NSN 4820-00-257-5196

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: 4820-00-257-5196

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Features and Characteristics

Flange Diameter

Between 0.372 inches and 0.373 inches

Body Outside Diameter

Between 0.372 inches and 0.373 inches

Body Inside Diameter

0.188 inches

Flange Seat To Disk End Height

Between 0.215 inches and 0.235 inches

Under Flange Height

Between 0.149 inches and 0.159 inches

Seal Accommodation Type

Grooved

Hardness Rating

58.0 rockwell c body and 60.0 rockwell c body

Seating Surface Shape

Flat

Material

Steel comp 440c

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

002575196

NSN

4820002575196

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2618581

Cage Code:

10001

Status:

MSDS:

Part Number:

2618581P1

Cage Code:

53711

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 4820-00-257-5196

What are the manufacturers of nsn 4820002575196?

Navair And Navsea Managed (10001)
Naval Sea Systems Command (53711)

Does this nsn 4820002575196 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002575196
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 4820002575196 contain any precious metals?
No precious metal content.

Does nsn 4820002575196 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002575196?
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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