Product Details | SAFETY RELIEF VALVE

4820-01-558-4417 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.

Part Alternates: HSRV8125, HSRV-8-125, 17756 PC 7, 17756PC7, 4820-01-558-4417, 01-558-4417, 4820015584417, 015584417

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 NOV 2007 01-558-4417

Drawings & Photos | NSN 4820-01-558-4417


Demand History | NSN 4820-01-558-4417

Part Number Request Date QTY Origin
17756 PC 7 2024-10-298 5 DIBBS
HSRV-8-125 2024-10-298 5 DIBBS
17756 PC 7 2024-10-281 7 DIBBS
HSRV-8-125 2024-10-281 7 DIBBS
17756 PC 7 2024-09-270 7 DIBBS
HSRV-8-125 2024-09-270 7 DIBBS
17756 PC 7 2024-09-267 7 DIBBS
HSRV-8-125 2024-09-267 7 DIBBS
17756 PC 7 2024-09-255 7 DIBBS
HSRV-8-125 2024-09-255 7 DIBBS
17756 PC 7 2024-05-123 7 DIBBS
HSRV-8-125 2024-05-123 7 DIBBS
17756 PC 7 2023-12-355 7 DIBBS
HSRV-8-125 2023-12-355 7 DIBBS
17756 PC 7 2022-03-79 4 DIBBS
HSRV-8-125 2022-03-79 4 DIBBS
17756 PC 7 2020-12-345 12 DIBBS
HSRV-8-125 2020-12-345 12 DIBBS
17756 PC 7 2020-02-54 10 DIBBS
HSRV-8-125 2020-02-54 10 DIBBS
4820-01-558-4417 2018-01-17 10 DIBBS
4820-01-558-4417 2017-12-337 10 DIBBS
4820-01-558-4417 2015-02-56 2 DIBBS
4820-01-558-4417 2014-05-147 32 DIBBS
4820-01-558-4417 2014-05-135 32 DIBBS
4820-01-558-4417 2013-06-156 6 DIBBS
4820-01-558-4417 2013-05-122 1 DIBBS
4820-01-558-4417 2012-09-274 1 DIBBS
4820-01-558-4417 2012-09-271 1 DIBBS
4820-01-558-4417 2011-07-196 1 DIBBS
4820-01-558-4417 2011-04-105 1 DIBBS
4820-01-558-4417 2010-10-298 1 DIBBS

Cross Reference | NSN 4820-01-558-4417

Part Number Cage Code Manufacturer
17756 PC 7 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO
HSRV-8-125 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO

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Technical Data | NSN 4820-01-558-4417

Characteristic Specifications
STYLE DESIGNATOR C1 ANGLE
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
III END ITEM IDENTIFICATION 17756 TYPE 6, 72KW, 8 GAL. WATER HEATER FOR LHD8
III PART NAME ASSIGNED BY CONTROLLING AGENCY 1 INCH RELIEF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-558-4417

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
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
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 4820-01-558-4417

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