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Valve Seat NSN 4820-00-399-2877

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 4820-00-399-2877 NSN: 4820-00-399-2877

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Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.312 inches single threaded portion
Flange Diameter
1.878 inches
Body Inside Diameter
0.960 inches
Flange Seat To Disk End Height
0.170 inches
Under Flange Height
0.375 inches
Thread Size
1.625 inches single threaded portion
Seating Surface Shape
Flat
Special Features
W/two wrenching lugs on top of seat 180 degrees apart
Material
Stainless steel
Style Designator
Threaded flanged
Thread Series Designator
Unef single threaded portion
FSC
4820 Nonpowered Valves
NIIN
003992877
NSN
4820003992877

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
42974
Cage Code:
53059
Status:
A
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 4820-00-399-2877
What are the manufacturers of nsn 4820003992877?
Does this nsn 4820003992877 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003992877
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 4820003992877 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003992877 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003992877?
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:
A
Cond. Code:
2
Status:
A

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