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Valve Seat NSN 4820-01-145-0987

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 4820-01-145-0987 NSN: 4820-01-145-0987

Features and Characteristics

Thread Class
2a single threaded portion
Err Default
0.188 inches single threaded portion
Flange Diameter
3.885 inches
Taper Length
0.125 inches
Body Inside Diameter
0.500 inches
Seat Radius
45.750 inches
Flange Seat To Disk End Height
1.000 inches
Under Flange Height
0.750 inches
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
4.000 inches single threaded portion
Seating Surface Shape
Radial
Material
Steel
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
FSC
4820 Nonpowered Valves
NIIN
011450987
NSN
4820011450987

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
16733-2
Cage Code:
09032
Status:
A
MSDS:
Part Number:
A-16733-2
Cage Code:
09032
Status:
A
MSDS:
Part Number:
499505760023940
Cage Code:
09032
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 4820-01-145-0987
What are the manufacturers of nsn 4820011450987?
Does this nsn 4820011450987 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011450987
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 4820011450987 contain any precious metals?
No precious metal content.
Does nsn 4820011450987 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011450987?
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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