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Valve Seat NSN 4820-00-394-4431

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 4820-00-394-4431 NSN: 4820-00-394-4431

Features and Characteristics

Overall Height
0.500 inches
Body Outside Diameter
Between 1.3440 inches and 1.3445 inches
Body Inside Diameter
Between 1.000 inches and 1.005 inches
Seat Angle In Deg
60.000
Hardness Rating
53.0 rockwell c and 58.0 rockwell c
Seating Surface Shape
Angular
Material
Steel comp 440c
Style Designator
Plain
FSC
4820 Nonpowered Valves
NIIN
003944431
NSN
4820003944431

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
UH6624
Cage Code:
12736
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 4820-00-394-4431
What are the manufacturers of nsn 4820003944431?
Does this nsn 4820003944431 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003944431
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 4820003944431 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003944431 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003944431?
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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