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Valve Seat NSN 4820-01-178-9685

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 4820-01-178-9685 NSN: 4820-01-178-9685

Features and Characteristics

Flange Diameter
0.937 inches
Body Outside Diameter
0.828 inches
Body Inside Diameter
0.500 inches
Flange Seat To Disk End Height
0.188 inches
Under Flange Height
0.312 inches
Seating Surface Shape
Flat
Material
Nickel alloy
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
011789685
NSN
4820011789685

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
845-2110254ASSYRF1-2INPC26
Cage Code:
80064
Status:
A
MSDS:
Part Number:
845-2110254
Cage Code:
80064
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 4820-01-178-9685
What are the manufacturers of nsn 4820011789685?
Does this nsn 4820011789685 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011789685
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 4820011789685 contain any precious metals?
No precious metal content.
Does nsn 4820011789685 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011789685?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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