Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-545-9664 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: HSRV10, HSRV-10, HSRV10125, HSRV-10-125, 17749 REV A SH 4 PC 7, 17749REVASH4PC7, 4820-01-545-9664, 01-545-9664, 4820015459664, 015459664

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 NOV 2006 01-545-9664

Drawings & Photos | NSN 4820-01-545-9664


Demand History | NSN 4820-01-545-9664

Part Number Request Date QTY Origin
HSRV-10-125 2025-03-72 5 DIBBS
HSRV-10-125 2019-01-31 14 DIBBS
4820-01-545-9664 2013-04-114 8 DIBBS
4820-01-545-9664 2010-10-291 3 DIBBS

Cross Reference | NSN 4820-01-545-9664

Part Number Cage Code Manufacturer
17749 REV A SH 4 PC 7 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO
HSRV-10 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO
HSRV-10-125 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO

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Technical Data | NSN 4820-01-545-9664

Characteristic Specifications
BODY STYLE A7 ANGLE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE ANY ACCEPTABLE
SECOND CONNECTION FACE TO CENTERLINE DISTANCE ANY ACCEPTABLE
MEDIA FOR WHICH DESIGNED WATER, FRESH
TEMP RATING 210.0 DEG FAHRENHEIT
OPENING PRESSURE SETTING 125.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS MANUAL OPERATING DEVICE
SPECIAL FEATURES RELIEF VALVE WITH 3/4" FNPT OUTLET; 3/4" FPT UNION TAIL; 3/4" UNION NUT; EXTENSION TYPE TEMPERATURE SENSING ELEMENT; RELIEF VALVE USED ON A 40 GALLON WATER HEATER
III END ITEM IDENTIFICATION ELECTRIC WATER HEATER 17749T5; NEW CONSTRUCTION LHD8

Restrictions/Controls & Freight Information | NSN 4820-01-545-9664

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-545-9664

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each