Valve Seat NSN 4820-01-257-8721

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: 4820-01-257-8721

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Related NSN

Features and Characteristics

Criticality Code Justification

Zzzy

Reference Number Differentiating Characteristics

Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications

FSC

4820 Nonpowered Valves

NIIN

012578721

NSN

4820012578721

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

B-7559 PC 3

Cage Code:

99565

Status:

MSDS:

Part Number:

075614DC

Cage Code:

99565

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 4820-01-257-8721

What are the manufacturers of nsn 4820012578721?

Admiral Valve, Llc (99565)

Does this nsn 4820012578721 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012578721
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 4820012578721 contain any precious metals?
No precious metal content.

Does nsn 4820012578721 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012578721?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service