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Valve Seat NSN 4820-00-987-7453

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 4820-00-987-7453 NSN: 4820-00-987-7453

Features and Characteristics

Flange Diameter
Between 2.5005 inches and 2.5010 inches
Body Outside Diameter
Between 1.999 inches and 2.000 inches
Seat Radius
Between 0.147 inches and 0.153 inches
Flange Seat To Disk End Height
0.498 mils and 0.502 centimeters
Under Flange Height
1.000 inches
Seating Surface Shape
Radial
Body Stepped Inside Diameter
1.500 inches third step
Material
Steel seat
Material Specification
Stellite b21b23 mfr ref single material response seat
Style Designator
Plain flanged
Fsc Application Data
Turbine, steam
FSC
4820 Nonpowered Valves
NIIN
009877453
NSN
4820009877453

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
101B354AA2
Cage Code:
03502
Status:
A
MSDS:
Part Number:
PL501E458AEPC4
Cage Code:
24446
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 4820-00-987-7453
What are the manufacturers of nsn 4820009877453?
Does this nsn 4820009877453 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009877453
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 4820009877453 contain any precious metals?
No precious metal content.
Does nsn 4820009877453 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009877453?
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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