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Valve Seat NSN 4820-00-590-9021

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 4820-00-590-9021 NSN: 4820-00-590-9021

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.953 inches single threaded portion
Overall Height
1.250 inches
Body Inside Diameter
0.750 inches
Thread Size
1.250 inches single threaded portion
Seating Surface Shape
Flat
Material
Steel comp 303
Style Designator
Plain threaded
Thread Series Designator
Unef single threaded portion
FSC
4820 Nonpowered Valves
NIIN
005909021
NSN
4820005909021

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A7414.002.156
Cage Code:
01343
Status:
A
MSDS:
Part Number:
A7414-002-156
Cage Code:
15187
Status:
A
MSDS:
Part Number:
20283PC5
Cage Code:
01343
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 4820-00-590-9021
What are the manufacturers of nsn 4820005909021?
Does this nsn 4820005909021 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005909021
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 4820005909021 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005909021 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005909021?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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