Valve Seat NSN 4820-00-737-7971

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: 4820-00-737-7971

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Features and Characteristics

Flange Diameter

Between 2.495 inches and 2.505 inches

Body Outside Diameter

Between 2.240 inches and 2.250 inches

Body Inside Diameter

Between 1.058 inches and 1.068 inches

Seat Radius

0.016 inches

Flange Seat To Disk End Height

Between 0.088 inches and 0.098 inches

Under Flange Height

Between 0.120 inches and 0.130 inches

Seal Accommodation Type

Grooved

Seating Surface Shape

Radial

Special Features

12 holes, 0.281 in. Diameter equally spaced

Material

Steel comp 1137

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

007377971

NSN

4820007377971

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

H15-633-3

Cage Code:

35301

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 4820-00-737-7971

What are the manufacturers of nsn 4820007377971?

Dresser Industries Inc (35301)

Does this nsn 4820007377971 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007377971
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 4820007377971 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820007377971 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007377971?
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