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Valve Seat NSN 4820-00-346-6529

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 4820-00-346-6529 NSN: 4820-00-346-6529

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.438 inches single threaded portion
Flange Diameter
2.188 inches
Flange Seat To Disk End Height
0.438 inches
Under Flange Height
0.438 inches
Thready Qty Per Inch (tpi)
16 single threaded portion
Thread Size
2.000 inches single threaded portion
Seating Surface Shape
Flat
Body Stepped Inside Diameter
1.695 inches first step and 1.697 inches first step
Material
Cobalt alloy
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
003466529
NSN
4820003466529

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8037A06B
Cage Code:
38056
Status:
A
MSDS:
Part Number:
H4820-346-6529
Cage Code:
03950
Status:
A
MSDS:
Part Number:
R557-49090APC16
Cage Code:
38056
Status:
A
MSDS:
Part Number:
R557-49120APC16
Cage Code:
38056
Status:
A
MSDS:
Part Number:
R557-49330APC16
Cage Code:
38056
Status:
A
MSDS:
Part Number:
R557-49340CPC16
Cage Code:
38056
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 4820-00-346-6529
What are the manufacturers of nsn 4820003466529?
Does this nsn 4820003466529 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003466529
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 4820003466529 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003466529 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003466529?
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
  •   Quality Fast Service
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