Product Details | PRESSURE AND TEMPER RELIEF VALVE

4820-01-568-9722 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: 040489-215, 4820-01-568-9722, 01-568-9722, 4820015689722, 040489215, 015689722

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 NOV 2008 01-568-9722

Demand History | NSN 4820-01-568-9722

Part Number Request Date QTY Origin
040489-215 2025-10-296 27 DIBBS
040489-215 2025-09-247 15 DIBBS
040489-215 2025-08-219 28 DIBBS
040489-215 2022-03-90 24 DIBBS
040489-215 2019-10-297 22 DIBBS
4820-01-568-9722 2018-10-291 16 DIBBS
4820-01-568-9722 2015-09-246 14 DIBBS
4820-01-568-9722 2015-05-151 3 DIBBS
4820-01-568-9722 2015-04-97 1 DIBBS
4820-01-568-9722 2014-10-296 1 DIBBS
4820-01-568-9722 2014-10-288 1 DIBBS
4820-01-568-9722 2014-09-245 1 DIBBS
4820-01-568-9722 2014-06-181 1 DIBBS
4820-01-568-9722 2013-05-125 1 DIBBS
4820-01-568-9722 2013-04-108 1 DIBBS
4820-01-568-9722 2011-10-296 1 DIBBS
4820-01-568-9722 2011-03-64 2 DIBBS
4820-01-568-9722 2010-11-308 1 DIBBS
4820-01-568-9722 2010-08-231 1 DIBBS
4820-01-568-9722 2010-07-196 1 DIBBS
4820-01-568-9722 2010-07-182 1 DIBBS

Cross Reference | NSN 4820-01-568-9722

Part Number Cage Code Manufacturer
040489-215 56529 HYDRAULICS INTERNATIONAL, INC.

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Technical Data | NSN 4820-01-568-9722

Characteristic Specifications
END ITEM IDENTIFICATION W/S CONSOLIDATED AUTOMATED SUPPORT SYSTEM (CASS); DHPS HYDRAULIC POWER SUPPLY, DEISEL
PART NAME ASSIGNED BY CONTROLLING AGENCY FILL PRESSURE CONTROL VALVE
SPECIAL FEATURES INAVY IS VALVE, PILOT REDU

Restrictions/Controls & Freight Information | NSN 4820-01-568-9722

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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.
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 KE Naval ICP
Philadelphia, PA 19111
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 4820-01-568-9722

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