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Valve Seat NSN 4820-00-591-3999

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 4820-00-591-3999 NSN: 4820-00-591-3999

Features and Characteristics

Thread Class
3a single threaded portion
Err Default
0.325 inches single threaded portion
Flange Diameter
1.250 inches
Body Inside Diameter
0.750 inches
Flange Seat To Disk End Height
0.500 inches
Under Flange Height
0.345 inches
Seal Accommodation Type
Recessed
Thread Size
1.000 inches single threaded portion
Seating Surface Shape
Flat
Special Features
Slotted skirt
Material
Steel comp 303
Surface Treatment
Passivate
Style Designator
Threaded flanged
Thread Series Designator
Unef single threaded portion
FSC
4820 Nonpowered Valves
NIIN
005913999
NSN
4820005913999

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
42886
Cage Code:
53059
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 4820-00-591-3999
What are the manufacturers of nsn 4820005913999?
Does this nsn 4820005913999 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005913999
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 4820005913999 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005913999 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005913999?
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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