Valve Seat NSN 4820-00-399-2939

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: 4820-00-399-2939

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Features and Characteristics

Thread Class

2a single threaded portion

Thread Length

0.188 inches single threaded portion

Flange Diameter

0.500 inches

Body Inside Diameter

Between 0.188 inches and 0.250 inches

Flange Seat To Disk End Height

0.125 inches

Under Flange Height

0.188 inches

Seat Angle In Deg

37.000

Hardness Rating

300.0 brinell standard

Thread Size

0.375 inches single threaded portion

Seating Surface Shape

Angular

Material

Steel

Style Designator

Threaded flanged

Thread Series Designator

Unf single threaded portion

Fsc Application Data

Steam trap valve

FSC

4820 Nonpowered Valves

NIIN

003992939

NSN

4820003992939

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

D20530PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20520PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20545PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20560PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20579PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20581PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20583PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20643PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20665PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20668PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20669PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20671PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20709PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20722PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20853PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20854PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20942PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20943PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20966PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20967PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20968PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20976PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D21004PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21006PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21007PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21093PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D21115PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D21118PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D21122PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21123PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21124PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21127PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21130PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20226PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20232PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20280PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20310PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20339PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20343PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20402PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20418PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20427PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20437PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20448PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20457PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20481PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D20498PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20510PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20511PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20513PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D20518PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D21133PC3

Cage Code:

66850

Status:

MSDS:

Part Number:

D21136PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21192PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21215PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D21247PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D31343PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

D31353PC4

Cage Code:

66850

Status:

MSDS:

Part Number:

YW100-160

Cage Code:

66850

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 4820-00-399-2939

What are the manufacturers of nsn 4820003992939?

Pentair Valves & Controls Us Lp (66850)

Does this nsn 4820003992939 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820003992939
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 4820003992939 contain any precious metals?
No precious metal content.

Does nsn 4820003992939 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820003992939?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service