Product Details | PRESSURE AND TEMPER RELIEF VALVE

4820-01-575-6481 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.

Part Alternates: B182541, B18254-1, 4820-01-575-6481, 01-575-6481, 4820015756481, 015756481

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 JUL 2009 01-575-6481

Demand History | NSN 4820-01-575-6481

Part Number Request Date QTY Origin
B182541 2016-09-265 2 DE
B182541 2013-09-249 6 Germany

Cross Reference | NSN 4820-01-575-6481

Part Number Cage Code Manufacturer
B18254-1 70167 AIR CRUISERS COMPANY, LLC

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Technical Data | NSN 4820-01-575-6481

Characteristic Specifications
PART NAME ASSIGNED BY CONTROLLING AGENCY VILVE,(PRESSURE) RELIEF
BODY MATERIAL ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3
TEMP ADJUSTABILITY NOT ADJUSTABLE
SPECIAL FEATURES FINISH: ANODIZE MIL-A-8625-II NICKEL ACETATE SEAL; PLASTIC: DELRIN 500 ACETAL RESIN; RUBBER: NEOPRENE AND BUNA N MIL-R-6855

Restrictions/Controls & Freight Information | NSN 4820-01-575-6481

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information