Valve Seat NSN 4820-00-306-4840

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: 4820-00-306-4840

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Features and Characteristics

Thread Class

2b single threaded portion

Thread Length

Any acceptable single threaded portion

Overall Height

Between 0.668 inches and 0.678 inches

Body Inside Diameter

Between 0.154 inches and 0.158 inches

Seal Accommodation Type

Recessed

Hardness Rating

53.0 rockwell c and 62.0 rockwell c face

Thread Size

0.164 inches single threaded portion

Seating Surface Shape

Flat

Special Features

4 bleed holes

Material

Any acceptable

Style Designator

Plain threaded

Thread Series Designator

Unc single threaded portion

Fsc Application Data

Valve, safety relief, nonpowered

FSC

4820 Nonpowered Valves

NIIN

003064840

NSN

4820003064840

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1039

Cage Code:

94874

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 4820-00-306-4840

What are the manufacturers of nsn 4820003064840?

Droitcour Company (94874)

Does this nsn 4820003064840 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003064840
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 4820003064840 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820003064840 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003064840?
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