Valve Seat NSN 4820-00-633-5979

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: 4820-00-633-5979

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Features and Characteristics

Thread Class

3a second threaded portion

Err Default

0.688 inches second threaded portion

Flange Diameter

3.750 inches

Overall Height

1.376 inches

Flange Seat To Disk End Height

0.688 inches

Under Flange Height

4.312 inches

Thready Qty Per Inch (tpi)

16 first threaded portion

Thread Size

1.875 inches second threaded portion

Seating Surface Shape

Flat

Body Stepped Inside Diameter

1.326 inches first step and 1.330 inches first step

Material

Steel comp 347

Style Designator

Double flanged

Thread Series Designator

Uns second threaded portion

FSC

4820 Nonpowered Valves

NIIN

006335979

NSN

4820006335979

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

89622

Cage Code:

38056

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 4820-00-633-5979

What are the manufacturers of nsn 4820006335979?

Ashcroft Inc. (38056)

Does this nsn 4820006335979 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820006335979
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 4820006335979 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820006335979 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820006335979?
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