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Valve Seat NSN 4820-01-098-1688

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 4820-01-098-1688 NSN: 4820-01-098-1688

Features and Characteristics

Overall Height
0.400 inches
Body Outside Diameter
0.420 inches
Seal Accommodation Type
Grooved
Seating Surface Shape
Flat
Body Stepped Inside Diameter
0.188 inches second step
Material
Steel comp 440c
Style Designator
Plain
FSC
4820 Nonpowered Valves
NIIN
010981688
NSN
4820010981688

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
25757
Cage Code:
16780
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 4820-01-098-1688
What are the manufacturers of nsn 4820010981688?
Does this nsn 4820010981688 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010981688
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 4820010981688 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010981688 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010981688?
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
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