NSN 4820-01-256-8553
Relief Valve
About this product
Zzzy criticality code justification, clean in accordance with mil-i-52211 reference number differentiating characteristics, .
Manufacturer part number 20270-00387B for national stock number 4820012568553.
Datasheet
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Product description
Pressure And Temperature Relief Valve NSN 4820-01-256-8553.
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MPN or Model
20270-00387B
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Criticality Code Justification
Zzzy -
Reference Number Differentiating Characteristics
Clean in accordance with mil-i-52211
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Pressure And Temperature Relief Valve
A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.
![Mechanic Bill explains Relief Valve](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-256-8553 pressure and temperature relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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20270-00387B | Anderson Greenwood Lp |
20270-00387BCP | Naval Inventory Control Point |
Stock Check
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