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Valve Seat NSN 4820-01-167-8422

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 4820-01-167-8422 NSN: 4820-01-167-8422

Features and Characteristics

Thread Length
3.000 inches single threaded portion
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
24 single threaded portion
Thread Size
0.766 inches single threaded portion
Seating Surface Shape
Angular
Criticality Code Justification
Zzzy
Material
Nickel alloy seat
Thread Series Designator
Uns single threaded portion
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
4820 Nonpowered Valves
NIIN
011678422
NSN
4820011678422

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
845-1889587PC25
Cage Code:
80064
Status:
A
MSDS:
Part Number:
SS 845-2445177 PIECE 29 1/2IN
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2632-903X6 PIECE 29 1/2IN
Cage Code:
96169
Status:
A
MSDS:
Part Number:
845-1889587PC25,0.500IN
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2620-902PC25,0.500IN
Cage Code:
96169
Status:
A
MSDS:
Part Number:
2632-903X6PC29,0.500IN
Cage Code:
96169
Status:
A
MSDS:
Part Number:
845-2445177PC29,0.500IN
Cage Code:
80064
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 4820-01-167-8422
What are the manufacturers of nsn 4820011678422?
Does this nsn 4820011678422 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011678422
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 4820011678422 contain any precious metals?
No precious metal content.
Does nsn 4820011678422 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011678422?
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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