Valve Seat NSN 4820-01-253-4637

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: 4820-01-253-4637

Provided with every order

Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

Get a Quote

Get an up to date price on nsn 4820012534637

Related NSN

Features and Characteristics

Thread Class

3a single threaded portion

Thread Length

0.344 inches single threaded portion

Flange Diameter

0.672 inches

Flange Seat To Disk End Height

0.094 inches

Under Flange Height

0.594 inches

Hardness Rating

40.0 rockwell c and 45.0 rockwell c

Thread Size

0.500 inches single threaded portion

Seating Surface Shape

Flat

Body Stepped Inside Diameter

0.316 inches second step

Special Features

0.375 in. Across flats, 0.156 in. Lg hex wrenching feature flange end; four 0.062 in. Diameter holes 90 degrees apart drilled through body perpendicular to bore between thd portion and flange

Material

Steel comp 4140

Style Designator

Threaded flanged

Thread Series Designator

Unf single threaded portion

FSC

4820 Nonpowered Valves

NIIN

012534637

NSN

4820012534637

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

35-16231Z

Cage Code:

9F512

Status:

MSDS:

Part Number:

035-16231

Cage Code:

9F512

Status:

MSDS:

Part Number:

35-16231

Cage Code:

9F512

Status:

MSDS:

Part Number:

25-8153-W

Cage Code:

9F512

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 4820-01-253-4637

What are the manufacturers of nsn 4820012534637?

Parker-hannifin Corporation (9F512)

Does this nsn 4820012534637 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012534637
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 4820012534637 contain any precious metals?
No precious metal content.

Does nsn 4820012534637 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012534637?
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