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Valve Seat NSN 4820-00-789-1128

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 4820-00-789-1128 NSN: 4820-00-789-1128

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.531 inches single threaded portion
Flange Diameter
2.250 inches
Body Inside Diameter
0.469 inches
Flange Seat To Disk End Height
0.469 inches
Under Flange Height
0.531 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
1.750 inches single threaded portion
Seating Surface Shape
Angular
Material
Copper alloy
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
007891128
NSN
4820007891128

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
N5506PC176GR0UP
Cage Code:
09032
Status:
A
MSDS:
Part Number:
VS88RV15H14785
Cage Code:
09032
Status:
A
MSDS:
Part Number:
N5506PC176GROUP2
Cage Code:
09032
Status:
A
MSDS:
Part Number:
588-300-1887657
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 4820-00-789-1128
What are the manufacturers of nsn 4820007891128?
Does this nsn 4820007891128 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007891128
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 4820007891128 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007891128 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007891128?
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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