Valve Seat NSN 4820-00-992-0630

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: 4820-00-992-0630

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Features and Characteristics

Thread Class

3a single threaded portion

Thread Length

0.875 inches single threaded portion

Flange Diameter

Between 2.460 inches and 2.480 inches

Seat Radius

Between 0.255 inches and 0.259 inches

Flange Seat To Disk End Height

1.000 inches

Under Flange Height

0.875 inches

Thready Qty Per Inch (tpi)

12 single threaded portion

Thread Size

2.000 inches single threaded portion

Seating Surface Shape

Radial

Body Stepped Inside Diameter

0.966 inches second step

Material

Steel seat

Material Specification

Stellite haynes 6 mfr ref single material response seat

Style Designator

Threaded flanged

Thread Series Designator

Un single threaded portion

Fsc Application Data

Steam turbine, electric generation

FSC

4820 Nonpowered Valves

NIIN

009920630

NSN

4820009920630

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

915D549H01

Cage Code:

90099

Status:

MSDS:

Part Number:

667J658PC9

Cage Code:

79500

Status:

MSDS:

Part Number:

915D549PC1

Cage Code:

90099

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 4820-00-992-0630

What are the manufacturers of nsn 4820009920630?

Northrop Grumman Systems Corporation (90099)
Westinghouse Electric Corp (79500)
Westinghouse Electric Corp (88657)

Does this nsn 4820009920630 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820009920630
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 4820009920630 contain any precious metals?
No precious metal content.

Does nsn 4820009920630 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820009920630?
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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