Valve Seat NSN 4820-01-050-2176

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: 4820-01-050-2176

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Features and Characteristics

Flange Diameter

Between 0.7490 inches and 0.7495 inches

Overall Height

Between 0.625 inches and 0.626 inches

Body Outside Diameter

Between 0.635 inches and 0.638 inches

Hardness Rating

43.0 rockwell c and 47.0 rockwell c

Seating Surface Shape

Flat

Body Stepped Inside Diameter

0.395 inches first step and 0.405 inches first step

Criticality Code Justification

Abkk

Material

Steel comp 440c or steel comp 440f

Material Specification

Qq-s-763 federal specification single material response or ams5630 assn standard single material response or ams5623 assn standard single material response

FSC

4820 Nonpowered Valves

NIIN

010502176

NSN

4820010502176

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

30001

Cage Code:

16780

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 4820-01-050-2176

What are the manufacturers of nsn 4820010502176?

Eaton Aerospace Llc (16780)

Does this nsn 4820010502176 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010502176
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 4820010502176 contain any precious metals?
No precious metal content.

Does nsn 4820010502176 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010502176?
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