Valve Seat NSN 4820-00-396-3999

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: 4820-00-396-3999

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Features and Characteristics

Overall Height

Between 0.384 inches and 0.386 inches

Body Outside Diameter

Between 2.107 inches and 2.108 inches

Body Inside Diameter

Between 1.677 inches and 1.687 inches

Seat Angle In Deg

Between 88.000 and 92.000

Hardness Rating

285.0 brinell standard face

Seating Surface Shape

Angular

Material

Steel

Material Specification

Ams5700 assn standard single material response

Style Designator

Plain

Fsc Application Data

Eng g0480

FSC

4820 Nonpowered Valves

NIIN

003963999

NSN

4820003963999

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

67835P10

Cage Code:

80254

Status:

MSDS:

Part Number:

2810H23-003-5

Cage Code:

81996

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 4820-00-396-3999

What are the manufacturers of nsn 4820003963999?

Textron Lycoming Inc (80254)
U S Army Aviation And Missile (81996)

Does this nsn 4820003963999 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003963999
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 4820003963999 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820003963999 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003963999?
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