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Valve Seat NSN 4820-01-502-6869

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 4820-01-502-6869 NSN: 4820-01-502-6869

Features and Characteristics

Thread Class
2a single threaded portion
Thread Length
2.740 inches single threaded portion
Overall Height
3.120 inches
Taper Length
0.310 inches
Taper Minor Diameter
4.000 inches
Body Inside Diameter
4.000 inches
End Application
4 inch relief valve type 1771-t
Seat Radius
2.000 inches
Seat Angle In Deg
Between 45.000 and 60.000
Thready Qty Per Inch (tpi)
14 single threaded portion
Thread Size
4.812 inches single threaded portion
Seating Surface Shape
Angular
Material
Steel comp 316 seat
Material Specification
Astm a351 gr cf8m assn standard single material response seat
Style Designator
Plain threaded
Thread Series Designator
Uns single threaded portion
Reference Number Differentiating Characteristics
Asdifferentiated by: part requires special material control and quality assurance, which support the non-magnetic signature of minesweepers.
FSC
4820 Nonpowered Valves
NIIN
015026869
NSN
4820015026869

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C10532.002.171
Cage Code:
01343
Status:
A
MSDS:
Part Number:
MH101 FIND NO.3
Cage Code:
01343
Status:
A
MSDS:
Part Number:
C10532.002.171VM
Cage Code:
03950
Status:
A
MSDS:
Part Number:
MH101
Cage Code:
01343
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 4820-01-502-6869
What are the manufacturers of nsn 4820015026869?
Does this nsn 4820015026869 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015026869
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 4820015026869 contain any precious metals?
No precious metal content.
Does nsn 4820015026869 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015026869?
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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