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Valve Seat NSN 4820-00-803-6031

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 4820-00-803-6031 NSN: 4820-00-803-6031

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Features and Characteristics

Flange Diameter
Between 0.382 inches and 0.383 inches
Body Outside Diameter
Between 0.286 inches and 0.288 inches
Body Inside Diameter
Between 0.174 inches and 0.176 inches
Flange Seat To Disk End Height
Between 0.078 inches and 0.082 inches
Under Flange Height
Between 0.070 inches and 0.076 inches
Seat Angle In Deg
20.000
Seating Surface Shape
Angular
Special Features
One hole 0.028 to 0.035 through body wall centered 0.101 to @0.106 in. From flange end
Material
Stainless steel
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
008036031
NSN
4820008036031

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
146502
Cage Code:
99657
Status:
A
MSDS:
Part Number:
181987
Cage Code:
99657
Status:
A
MSDS:
Part Number:
220004PC32
Cage Code:
99657
Status:
A
MSDS:
Part Number:
227574PC31
Cage Code:
99657
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 4820-00-803-6031
What are the manufacturers of nsn 4820008036031?
Does this nsn 4820008036031 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008036031
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 4820008036031 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820008036031 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008036031?
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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