Valve Seat NSN 4820-00-420-6845

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: 4820-00-420-6845

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Features and Characteristics

Thread Class

2a single threaded portion

Err Default

0.875 inches single threaded portion

Overall Height

0.875 inches

Body Inside Diameter

0.562 inches

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

4.125 inches single threaded portion

Seating Surface Shape

Flat

Special Features

5 lightening holes equally spaced 1.188in. By 1.688 in.; center hole 9/16-12 unc thdw/counter bore 11/16 in. Diameter by 3/32 in. Deep onone @end of center hole

Material

Copper alloy

Style Designator

Plain threaded

Thread Series Designator

Un single threaded portion

FSC

4820 Nonpowered Valves

NIIN

004206845

NSN

4820004206845

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

708290-00

Cage Code:

93232

Status:

MSDS:

Part Number:

1677

Cage Code:

93232

Status:

MSDS:

Part Number:

CD1677

Cage Code:

93232

Status:

MSDS:

Part Number:

5568P

Cage Code:

93232

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 4820-00-420-6845

What are the manufacturers of nsn 4820004206845?

Curtiss-wright Electro-mechanical (93232)
Curtiss-wright Electro-mechanical (0UBG9)

Does this nsn 4820004206845 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820004206845
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 4820004206845 contain any precious metals?
No precious metal content.

Does nsn 4820004206845 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820004206845?
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