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Valve Seat NSN 4820-00-375-7857

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 4820-00-375-7857 NSN: 4820-00-375-7857

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Features and Characteristics

Thread Class
3a single threaded portion
Err Default
0.563 inches single threaded portion
Overall Height
0.688 inches
Body Inside Diameter
1.875 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
18 single threaded portion
Thread Size
2.500 inches single threaded portion
Seating Surface Shape
Angular
Material
Nickel alloy
Style Designator
Plain threaded
Thread Series Designator
Uns single threaded portion
FSC
4820 Nonpowered Valves
NIIN
003757857
NSN
4820003757857

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
85482
Cage Code:
38056
Status:
A
MSDS:
Part Number:
V6092CALT3ITEM1
Cage Code:
38056
Status:
A
MSDS:
Part Number:
R6309LLPC4-1-1-2
Cage Code:
38056
Status:
A
MSDS:
Part Number:
R6309SPC4-85482
Cage Code:
38056
Status:
A
MSDS:
Part Number:
R6309TPC85482
Cage Code:
38056
Status:
A
MSDS:
Part Number:
5119-4824-3800PC4-85482
Cage Code:
80064
Status:
A
MSDS:
Part Number:
5119-4824-3803PC4-1-1-2
Cage Code:
80064
Status:
A
MSDS:
Part Number:
5119-4824-3805PC85482
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 4820-00-375-7857
What are the manufacturers of nsn 4820003757857?
Does this nsn 4820003757857 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003757857
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 4820003757857 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003757857 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003757857?
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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