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Valve Seat NSN 4820-00-399-2643

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 4820-00-399-2643 NSN: 4820-00-399-2643

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Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.500 inches single threaded portion
Overall Height
0.652 inches
Body Inside Diameter
0.438 inches
Thread Size
0.750 inches single threaded portion
Seating Surface Shape
Flat
Special Features
O.375 in. Hex internal drive feature
Material
Steel
Style Designator
Plain threaded
Thread Series Designator
Unf single threaded portion
FSC
4820 Nonpowered Valves
NIIN
003992643
NSN
4820003992643

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
JMS-7613
Cage Code:
007F8
Status:
A
MSDS:
Part Number:
445-5103-82ALT4PC5
Cage Code:
53711
Status:
A
MSDS:
Part Number:
E139PC5
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E140PC5
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E151PC5
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E152PC5
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E199PC5
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E200PC5
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E204PC31
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E206PC6
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E210PC6
Cage Code:
74965
Status:
A
MSDS:
Part Number:
E203PC6
Cage Code:
94965
Status:
A
MSDS:
Part Number:
P343
Cage Code:
74965
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 4820-00-399-2643
What are the manufacturers of nsn 4820003992643?
Does this nsn 4820003992643 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003992643
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 4820003992643 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003992643 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003992643?
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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