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Valve Seat NSN 4820-00-391-8184

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 4820-00-391-8184 NSN: 4820-00-391-8184

Features and Characteristics

Thread Class
2a single threaded portion
Thread Length
0.500 inches single threaded portion
Overall Height
2.615 inches
Body Inside Diameter
0.175 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
1.438 inches single threaded portion
Seating Surface Shape
Angular
Special Features
Has internal threads unf 0.750-16, rh 2b
Material
Stainless steel
Surface Treatment
Passivate
Thread Series Designator
Uns single threaded portion
FSC
4820 Nonpowered Valves
NIIN
003918184
NSN
4820003918184

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D10815MEW
Cage Code:
34889
Status:
A
MSDS:
Part Number:
D10815PA
Cage Code:
34889
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 4820-00-391-8184
What are the manufacturers of nsn 4820003918184?
Does this nsn 4820003918184 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003918184
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 4820003918184 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003918184 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003918184?
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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