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NSN 4820-01-539-7473

Drain Valve

About this product

The suffix p to the assembly number represents that the ball is coated with poly-ond or magnaplate; plating to be .0012 inch thick for all surfaces with a hardness of rockwell rc58-60; overall dimensions of the ball apply after plating; o-rings of zytel 45 hsb or nylatron, see mdcl; device a-b is a handle locked in the open position. Suffix p represents design changes for plating of the ball and material of the o-rings and locking handle a-b are for new construction 779 afs.

Manufacturer part number 845-4558738 ASSY AP, LKG DV A-B for national stock number 4820015397473.

Datasheet

  • Product description

    Ball Valve NSN 4820-01-539-7473.

  • MPN or Model

    845-4558738 ASSY AP, LKG DV A-B

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Pipe Size Accommodated
    0.250 inches all ends
  • Bonnet Type
    Packing retaining
  • Renewable Seat Ring Type
    Pressed-in
  • Maximum Operating Temp
    180.0 degrees fahrenheit single response
  • Minimum Operating Temp
    0.0 degrees fahrenheit
  • End Application
    New construction ssn 779 afs/virginia class submarine
  • Connection Style
    Socket all ends
  • Valve Operation Method
    Manual
  • Connection Type
    Unthreaded internal pipe all ends
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Part Name Assigned By Controlling Agency
    Ball valve, staight, hydraulic, 3000psi
  • Material
    Stainless steel body
  • Material Specification
    Zytel 45 hsb as manufactured by dupont of wilmington, de. Mfr ref single material response seat or nylatron gsvq as manufactured by quadrant engineering of reading, pa. Mfr ref single material response seat
  • Media For Which Designed
    Oil, hydraulic single response
  • Style Designator
    Err-090
  • Furnished Items And Quantity
    1 handle and 1 locking device
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Ball Valve

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes valve, check.

Mechanic Bill explains Drain Valve

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NSN 4820015397473

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
845-4558738 ASSY AP, LKG DV A-B Naval Ship Systems Command
2642-785-01 ASSY AP, LKG DV A-B Electric Boat Corporation
4558738 Naval Ship Systems Command
4558739 Naval Ship Systems Command
ER2642-785-01G2 Electric Boat Corporation
ER2642-785-01G3 Electric Boat Corporation
Stock Check
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