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Valve Seat NSN 4820-00-390-3764

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 4820-00-390-3764 NSN: 4820-00-390-3764

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Features and Characteristics

Flange Diameter
6.500 inches
Body Outside Diameter
5.000 inches
Body Inside Diameter
3.000 inches
Flange Seat To Disk End Height
0.375 inches
Under Flange Height
1.875 inches
Seat Angle In Deg
30.000
Seating Surface Shape
Angular
Special Features
Four 0.625 in. Diameter mtg holes in flange
Material
Copper alloy body
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
003903764
NSN
4820003903764

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
640-54PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30032PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30043PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30047PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30052PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30067PC90
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30070PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30079PC88
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30083PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30058-2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30058PC2
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30058
Cage Code:
72957
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 4820-00-390-3764
What are the manufacturers of nsn 4820003903764?
Does this nsn 4820003903764 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003903764
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 4820003903764 contain any precious metals?
No precious metal content.
Does nsn 4820003903764 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003903764?
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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