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Valve Seat NSN 4820-01-270-2381

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 4820-01-270-2381 NSN: 4820-01-270-2381

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Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.390 inches single threaded portion
Overall Height
0.655 inches
Body Inside Diameter
4.000 inches
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
5.000 inches single threaded portion
Seating Surface Shape
Flat
Material
Copper alloy
Style Designator
B5 plain threaded
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
012702381
NSN
4820012702381

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3104D700-4
Cage Code:
61661
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 4820-01-270-2381
What are the manufacturers of nsn 4820012702381?
Does this nsn 4820012702381 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012702381
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 4820012702381 contain any precious metals?
No precious metal content.
Does nsn 4820012702381 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012702381?
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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