Valve Seat NSN 4820-00-525-2359

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: 4820-00-525-2359

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Features and Characteristics

Thread Length

0.710 inches and 0.740 inches single threaded portion

Flange Diameter

Between 0.360 inches and 0.370 inches

Flange Seat To Disk End Height

Between 0.810 inches and 0.830 inches

Under Flange Height

Between 0.850 inches and 0.900 inches

Seal Accommodation Type

Grooved

Thready Qty Per Inch (tpi)

56 single threaded portion

Thread Size

0.250 inches single threaded portion

Criticality Code Justification

Zzzv

Material

Aluminum alloy 2024

Material Specification

Qq-a-225/6, t4 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Thread Series Designator

Uns single threaded portion

Fsc Application Data

Regulator, air pressure, aircraft cabin

FSC

4820 Nonpowered Valves

NIIN

005252359

NSN

4820005252359

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

135746

Cage Code:

64547

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 4820-00-525-2359

What are the manufacturers of nsn 4820005252359?

Does this nsn 4820005252359 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820005252359
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 4820005252359 contain any precious metals?
No precious metal content.

Does nsn 4820005252359 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820005252359?
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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