Valve Seat NSN 4820-00-903-4337

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: 4820-00-903-4337

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Features and Characteristics

Thread Class

3a single threaded portion

Seat Angle In Deg

45.000

Thready Qty Per Inch (tpi)

16 single threaded portion

Thread Size

1.375 inches single threaded portion

Seating Surface Shape

Angular

Material

Steel

Material Specification

Fed standard 66 federal standard 1st material response or aisi 416/sae 51416 assn standard 2nd material response

Surface Treatment

Passivate

Thread Series Designator

Un single threaded portion

FSC

4820 Nonpowered Valves

NIIN

009034337

NSN

4820009034337

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

638212-2

Cage Code:

72957

Status:

MSDS:

Part Number:

638212PC2

Cage Code:

72957

Status:

MSDS:

Part Number:

8R0003ITEM3-9

Cage Code:

72957

Status:

MSDS:

Part Number:

BWW-0067ITEM3-9

Cage Code:

72957

Status:

MSDS:

Part Number:

Z638212PC2

Cage Code:

72957

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 4820-00-903-4337

What are the manufacturers of nsn 4820009034337?

Elliott Company (72957)

Does this nsn 4820009034337 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820009034337
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 4820009034337 contain any precious metals?
No precious metal content.

Does nsn 4820009034337 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820009034337?
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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