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Valve Seat NSN 4820-01-249-2049

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 4820-01-249-2049 NSN: 4820-01-249-2049

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Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.260 inches single threaded portion
Flange Diameter
3.885 inches
Body Inside Diameter
2.911 inches
Flange Seat To Disk End Height
0.300 inches
Under Flange Height
0.514 inches
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
3.500 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
012492049
NSN
4820012492049

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ASI-B-102A1-3-1
Cage Code:
30263
Status:
A
MSDS:
Part Number:
ASIB102A1-3-18
Cage Code:
30263
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 4820-01-249-2049
What are the manufacturers of nsn 4820012492049?
Does this nsn 4820012492049 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012492049
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 4820012492049 contain any precious metals?
No precious metal content.
Does nsn 4820012492049 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012492049?
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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