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Valve Seat NSN 4820-00-390-3763

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 4820-00-390-3763 NSN: 4820-00-390-3763

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Features and Characteristics

Flange Diameter
2.750 inches
Flange Seat To Disk End Height
0.625 inches
Under Flange Height
2.563 inches
Seat Angle In Deg
30.000
Hardness Rating
125.0 brinell standard body and 150.0 brinell standard body
Seating Surface Shape
Angular
Material
Nickel alloy body
FSC
4820 Nonpowered Valves
NIIN
003903763
NSN
4820003903763

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
640-54PC76
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30043PC76
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30045PC76
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30055PC79
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30057-79
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30057PC79
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30067PC79
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30069PC79
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30079PC79
Cage Code:
72957
Status:
A
MSDS:
Part Number:
NH30081PC79
Cage Code:
72957
Status:
A
MSDS:
Part Number:
W98070-19
Cage Code:
72957
Status:
A
MSDS:
Part Number:
W98070PC19
Cage Code:
72957
Status:
A
MSDS:
Part Number:
H4420-390-3762PC2
Cage Code:
03950
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 4820-00-390-3763
What are the manufacturers of nsn 4820003903763?
Does this nsn 4820003903763 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003903763
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 4820003903763 contain any precious metals?
No precious metal content.
Does nsn 4820003903763 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003903763?
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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