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Valve Seat NSN 4820-00-858-1653

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 4820-00-858-1653 NSN: 4820-00-858-1653

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Features and Characteristics

Thread Class
3a second threaded portion
Thread Length
0.421 inches second threaded portion
Overall Height
2.459 inches
Body Outside Diameter
0.625 inches
Seat Angle In Deg
15.000
Seal Accommodation Type
Grooved
Hardness Rating
48.0 rockwell c and 52.0 rockwell c
Thread Size
0.875 inches second threaded portion
Seating Surface Shape
Angular
Material
Steel comp 52100
Thread Series Designator
Unf second threaded portion
FSC
4820 Nonpowered Valves
NIIN
008581653
NSN
4820008581653

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2356975
Cage Code:
88277
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 4820-00-858-1653
What are the manufacturers of nsn 4820008581653?
Does this nsn 4820008581653 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008581653
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 4820008581653 contain any precious metals?
No precious metal content.
Does nsn 4820008581653 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008581653?
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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