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Valve Seat NSN 4820-00-390-1086

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 4820-00-390-1086 NSN: 4820-00-390-1086

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Features and Characteristics

Thread Class
4 single threaded portion
Flange Diameter
2.313 inches
Body Inside Diameter
1.250 inches
Flange Seat To Disk End Height
0.375 inches
Under Flange Height
0.563 inches
Seal Accommodation Type
Grooved
Thread Size
1.500 inches single threaded portion
Seating Surface Shape
Flat
Style Designator
Threaded flanged
Thread Series Designator
Unf single threaded portion
FSC
4820 Nonpowered Valves
NIIN
003901086
NSN
4820003901086

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
03-901-956-00-023
Cage Code:
92392
Status:
A
MSDS:
Part Number:
03-901-964PC23
Cage Code:
92392
Status:
A
MSDS:
Part Number:
03-901-101PC23
Cage Code:
92392
Status:
A
MSDS:
Part Number:
03-901-108PC23
Cage Code:
92392
Status:
A
MSDS:
Part Number:
03-901-117PC23
Cage Code:
92392
Status:
A
MSDS:
Part Number:
03-901-951PC23
Cage Code:
92392
Status:
A
MSDS:
Part Number:
03-901-956-23
Cage Code:
92392
Status:
A
MSDS:
Part Number:
03-901-956PC23
Cage Code:
92392
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 4820-00-390-1086
What are the manufacturers of nsn 4820003901086?
Does this nsn 4820003901086 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003901086
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 4820003901086 contain any precious metals?
No precious metal content.
Does nsn 4820003901086 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003901086?
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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