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Valve Seat NSN 4820-01-231-8635

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 4820-01-231-8635 NSN: 4820-01-231-8635

Features and Characteristics

Flange Diameter
4.906 inches
Body Inside Diameter
4.250 inches
Flange Seat To Disk End Height
0.531 inches
Under Flange Height
1.934 inches
Seating Surface Shape
Flat
Material
Steel
Material Specification
Astm a216 gr. Wcb assn standard single material response seat
Style Designator
Threaded flanged
FSC
4820 Nonpowered Valves
NIIN
012318635
NSN
4820012318635

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
DB76
Cage Code:
14959
Status:
A
MSDS:
Part Number:
32813 PIECE8A 4IN LP INSP DB76
Cage Code:
14959
Status:
A
MSDS:
Part Number:
32813 143 1/2U PIECE 8A 4IN
Cage Code:
14959
Status:
A
MSDS:
Part Number:
32813
Cage Code:
14959
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 4820-01-231-8635
What are the manufacturers of nsn 4820012318635?
Does this nsn 4820012318635 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012318635
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 4820012318635 contain any precious metals?
No precious metal content.
Does nsn 4820012318635 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012318635?
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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