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Valve Seat NSN 4820-00-798-5523

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 4820-00-798-5523 NSN: 4820-00-798-5523

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Features and Characteristics

Flange Diameter
Between 2.747 inches and 2.749 inches
Body Outside Diameter
Between 2.626 inches and 2.627 inches
Body Inside Diameter
Between 1.436 inches and 1.439 inches
Flange Seat To Disk End Height
0.375 inches
Under Flange Height
0.250 inches
Seating Surface Shape
Flat
Material
Steel body
Material Specification
Mil-s-890, class c military specification single material response body
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
007985523
NSN
4820007985523

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
717103
Cage Code:
0BR59
Status:
A
MSDS:
Part Number:
52ND6525
Cage Code:
0BR59
Status:
A
MSDS:
Part Number:
ND6525PIECE52
Cage Code:
0BR59
Status:
A
MSDS:
Part Number:
ND6703PC52
Cage Code:
0BR59
Status:
A
MSDS:
Part Number:
ND6766PC52
Cage Code:
0BR59
Status:
A
MSDS:
Part Number:
NH6725PC52
Cage Code:
0BR59
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 4820-00-798-5523
What are the manufacturers of nsn 4820007985523?
Does this nsn 4820007985523 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007985523
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 4820007985523 contain any precious metals?
No precious metal content.
Does nsn 4820007985523 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007985523?
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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