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Valve Seat NSN 4820-00-704-1931

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 4820-00-704-1931 NSN: 4820-00-704-1931

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.094 inches single threaded portion
Overall Height
3.125 inches
Body Inside Diameter
Between 4.000 inches and 4.010 inches
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
4.812 inches single threaded portion
Seating Surface Shape
Flat
Special Features
2 lugs
Material
Steel, astm a341, grade cf8
Style Designator
Plain threaded
Thread Series Designator
Uns single threaded portion
FSC
4820 Nonpowered Valves
NIIN
007041931
NSN
4820007041931

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B10537-001-128
Cage Code:
15187
Status:
A
MSDS:
Part Number:
B10537-001-138
Cage Code:
01343
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 4820-00-704-1931
What are the manufacturers of nsn 4820007041931?
Does this nsn 4820007041931 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007041931
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 4820007041931 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007041931 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007041931?
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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