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Valve Seat NSN 4820-01-146-9996

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 4820-01-146-9996 NSN: 4820-01-146-9996

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Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.422 inches single threaded portion
Flange Diameter
3.250 inches
Flange Seat To Disk End Height
0.266 inches
Under Flange Height
0.547 inches
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
2.969 inches single threaded portion
Seating Surface Shape
Flat
Body Stepped Inside Diameter
2.375 inches first step and 2.500 inches first step
Material
Steel
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
FSC
4820 Nonpowered Valves
NIIN
011469996
NSN
4820011469996

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
056950 ITEM 20
Cage Code:
48422
Status:
A
MSDS:
Part Number:
131235
Cage Code:
48422
Status:
A
MSDS:
Part Number:
056950
Cage Code:
48422
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 4820-01-146-9996
What are the manufacturers of nsn 4820011469996?
Does this nsn 4820011469996 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011469996
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 4820011469996 contain any precious metals?
No precious metal content.
Does nsn 4820011469996 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011469996?
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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