1-321-802-5889
Email Us

NSN 4820-00-225-0977

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, 16.0 gallons per minute valve discharge flow rate, connection style: gasket sea (boss) all ends.

Manufacturer part number 128SCH131-1 for national stock number 4820002250977.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-225-0977.

  • MPN or Model

    128SCH131-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.6 lb
  • Thread Class
    3b all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    16.0 gallons per minute
  • Maximum Operating Temp
    275.0 degrees fahrenheit 2nd response
  • Connection Style
    Gasket sea (boss) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss all ends
  • Features Provided
    Pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    12 all ends
  • Maximum Operating Pressure
    80.0 pounds per square inch single response
  • Thread Size
    1.500 inches all ends
  • Seat Angle
    37.0 degrees all ends
  • Opening Pressure Setting
    80.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.750 inches all ends
  • Material
    Aluminum alloy
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 1 military specification single treatment response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Un all ends
More from these suppliers
Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

Pricing and Availability

Get a quote for 4820-00-225-0977 safety relief valve
Quantity:
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 4820002250977

We do not share, sell, or distribute your information to any third party.
Privacy | Terms

All major credit cards accepted as well as gov. p-cards
Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
128SCH131-1 Northrop Grumman Systems Corporation
HP545100 Tactair Fluid Controls, Inc.
HP545100 Teledyne Hydra-power
Stock Check
Availability of this NSN has not been updated recently. Submit the pricing and availbility form above to receive an up to date quote.