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Valve Seat NSN 4820-00-425-5888

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 4820-00-425-5888 NSN: 4820-00-425-5888

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Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.188 inches single threaded portion
Flange Diameter
0.688 inches
Body Inside Diameter
0.406 inches
Seat Radius
0.062 inches
Flange Seat To Disk End Height
0.250 inches
Under Flange Height
0.188 inches
Thready Qty Per Inch (tpi)
20 single threaded portion
Thread Size
0.625 inches single threaded portion
Seating Surface Shape
Radial
Material
Steel
Style Designator
Faucet
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
004255888
NSN
4820004255888

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
51244
Cage Code:
55469
Status:
A
MSDS:
Part Number:
8194
Cage Code:
80850
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 4820-00-425-5888
What are the manufacturers of nsn 4820004255888?
Does this nsn 4820004255888 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004255888
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 4820004255888 contain any precious metals?
No precious metal content.
Does nsn 4820004255888 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004255888?
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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