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Valve Seat NSN 4820-00-564-6955

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 4820-00-564-6955 NSN: 4820-00-564-6955

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.434 inches single threaded portion
Overall Height
0.500 inches
Body Outside Diameter
2.493 inches
Body Inside Diameter
2.000 inches
Seat Angle In Deg
12.000
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
2.500 inches single threaded portion
Seating Surface Shape
Angular
Material
Steel
Style Designator
Plain
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
005646955
NSN
4820005646955

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S320-4
Cage Code:
93591
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 4820-00-564-6955
What are the manufacturers of nsn 4820005646955?
Does this nsn 4820005646955 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005646955
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 4820005646955 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005646955 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005646955?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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