Valve Seat NSN 4820-00-337-1083

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: 4820-00-337-1083

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Features and Characteristics

Flange Diameter

2.000 inches

Body Outside Diameter

Between 1.751 inches and 1.752 inches

Body Inside Diameter

1.250 inches

Flange Seat To Disk End Height

0.188 inches

Under Flange Height

0.688 inches

Seat Angle In Deg

45.000

Hardness Rating

210.0 brinell standard body

Seating Surface Shape

Angular

Style Designator

Plain flanged

FSC

4820 Nonpowered Valves

NIIN

003371083

NSN

4820003371083

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

9988

Cage Code:

90099

Status:

MSDS:

Part Number:

D15-518MPC393

Cage Code:

90099

Status:

MSDS:

Part Number:

D15-518UPC393

Cage Code:

90099

Status:

MSDS:

Part Number:

D15-518VPC393

Cage Code:

90099

Status:

MSDS:

Part Number:

D15-518WPC393

Cage Code:

90099

Status:

MSDS:

Part Number:

DD423S53-072PC39

Cage Code:

80064

Status:

MSDS:

Part Number:

DD423S53-080PC39

Cage Code:

80064

Status:

MSDS:

Part Number:

DD423S53-081PC39

Cage Code:

80064

Status:

MSDS:

Part Number:

DD423S53-082PC39

Cage Code:

80064

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 4820-00-337-1083

What are the manufacturers of nsn 4820003371083?

Northrop Grumman Systems Corporation (90099)
Naval Ship Systems Command (80064)
Westinghouse Electric Corp (80231)
Westinghouse Electric Corp (79500)

Does this nsn 4820003371083 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003371083
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 4820003371083 contain any precious metals?
No precious metal content.

Does nsn 4820003371083 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003371083?
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