Valve Seat NSN 4820-00-399-3741

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: 4820-00-399-3741

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Features and Characteristics

Flange Diameter

2.250 inches

Body Outside Diameter

Between 1.875 inches and 1.876 inches

Body Inside Diameter

Between 0.875 inches and 0.878 inches

Flange Seat To Disk End Height

Between 0.250 inches and 0.252 inches

Under Flange Height

0.500 inches

Seat Angle In Deg

20.000

Seal Accommodation Type

Grooved

Seating Surface Shape

Angular

Material

Steel

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

003993741

NSN

4820003993741

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

6658801-1

Cage Code:

01289

Status:

MSDS:

Part Number:

WW6667884 PIECE 8

Cage Code:

24446

Status:

MSDS:

Part Number:

5586122-8

Cage Code:

71669

Status:

MSDS:

Part Number:

6658801

Cage Code:

24446

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 4820-00-399-3741

What are the manufacturers of nsn 4820003993741?

Does this nsn 4820003993741 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003993741
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 4820003993741 contain any precious metals?
No precious metal content.

Does nsn 4820003993741 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003993741?
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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