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NSN 4820-01-482-1855

Fuel Manifold Check Valve

About this product

Cds cds 5399-033-e-0001 rev b dated 1-14-09 delineates modifications to navships dwg 803-1385721: 1) orings of fluorocarbon iaw mil-r-83248, ty 1 cl 1; 2) socket bore breakage/chamfer shall not exceed .010; 3) waterway bore breakage/chamfer shall not exceed .0625; 4) tailpieces are cuni iaw mil-c-15728 alloy c71500, union end connections iaw mil-f-1183; 5) nicu side plugs. Design pressure 400.0 psi, temperature 150 deg fahrenheit..

Manufacturer part number 803-1385721 for national stock number 4820014821855.

Datasheet

  • Product description

    Check Valve NSN 4820-01-482-1855.

  • MPN or Model

    803-1385721

  • Schedule B
    8481.30.1090 (Check valves of copper having a pressure rating of 850 kpa or over)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Pipe Size Accommodated
    0.750 inches all ends
  • Flow Control Device
    Disk
  • Disk Loading Method
    Weight
  • Maximum Operating Temp
    150.0 degrees fahrenheit single response
  • Connection Style
    Socket (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe all ends
  • Mounting Position
    Horizontal
  • Maximum Operating Pressure
    400.0 pounds per square inch single response
  • Part Name Assigned By Controlling Agency
    3/4" bronze union end swing check
  • Material
    Nickel alloy flow control device
  • Material Specification
    Astm b61 assn standard single material response body
  • Media For Which Designed
    Water-oil-gas single response
  • Special Test Features
    This equipment considered shock qualified by test active report no aeronav lab inc shock test no. 0-1102-2; naval approval authority subships nn, va letter 9505 ser cvn74/75-262g/1063 dated 28 may 1991.Considered vibration qua ified by test report 9-1045-1 by aeronav labsdates 15 jun 1990. Approved by: supships nn, va ltr 9505 ser cvn76-261g/1161 dated 24 jun 1996.
  • Style Designator
    Straight thru
  • Furnished Items And Quantity
    2 tailpiece
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Check Valve

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Mechanic Bill explains Fuel Manifold Check Valve

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NSN 4820014821855

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-1385721 Naval Ship Systems Command
1385721 MODIFIED Naval Ship Systems Command
5399-033 0.75IPS Milwaukee Valve Company, Inc.
5399-033 3/4" Milwaukee Valve Company, Inc.
5399-033-E-0001 REV B Milwaukee Valve Company, Inc.
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