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Valve Seat NSN 4820-01-442-9935

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 4820-01-442-9935 NSN: 4820-01-442-9935

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Features and Characteristics

Thread Class
3a single threaded portion
Flange Diameter
2.680 inches
Flange Seat To Disk End Height
0.500 inches
Under Flange Height
0.531 inches
Thready Qty Per Inch (tpi)
18 single threaded portion
Thread Size
2.5156 inches single threaded portion
Criticality Code Justification
Zzzy
Material
Cobalt comp 1
Material Specification
Mil-c-24252 military specification single material response
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
Reference Number Differentiating Characteristics
Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
FSC
4820 Nonpowered Valves
NIIN
014429935
NSN
4820014429935

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
803-6397434-X61XXX 042
Cage Code:
53711
Status:
A
MSDS:
Part Number:
803-6397434-X61XXX-049
Cage Code:
53711
Status:
A
MSDS:
Part Number:
803-6397434-X61XXX 042L1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
803-6397434-X61XXX-049L1
Cage Code:
03950
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 4820-01-442-9935
What are the manufacturers of nsn 4820014429935?
Does this nsn 4820014429935 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014429935
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 4820014429935 contain any precious metals?
No precious metal content.
Does nsn 4820014429935 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014429935?
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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