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Valve Seat NSN 4820-00-475-5475

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 4820-00-475-5475 NSN: 4820-00-475-5475

Features and Characteristics

Thread Class
2a single threaded portion
Thread Length
0.375 inches single threaded portion
Flange Diameter
Between 1.343 inches and 1.344 inches
Flange Seat To Disk End Height
0.203 inches
Under Flange Height
0.375 inches
Seat Angle In Deg
50.000
Thready Qty Per Inch (tpi)
20 single threaded portion
Thread Size
1.188 inches single threaded portion
Seating Surface Shape
Angular
Body Stepped Inside Diameter
0.516 inches second step
Material
Nickel alloy
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
004755475
NSN
4820004755475

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7635-155-732
Cage Code:
38683
Status:
A
MSDS:
Part Number:
9040-5EPC2
Cage Code:
38683
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 4820-00-475-5475
What are the manufacturers of nsn 4820004755475?
Does this nsn 4820004755475 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004755475
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 4820004755475 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004755475 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004755475?
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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