Product Details | SAFETY RELIEF VALVE

4820-01-549-5326 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: NMP-1064 8IN 13T18PSI, NMP10648IN13T18PSI, NMP1143, NMP-1143, NMP114313TO18PSI, CDS-532 ITEM 32, CDS532ITEM32, D-10T/0R 8IN 13T18PSI, D10T0R8IN13T18PSI, 4820-01-549-5326, 01-549-5326, 4820015495326, 015495326

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 MAR 2007 01-549-5326

Drawings & Photos | NSN 4820-01-549-5326


Demand History | NSN 4820-01-549-5326

Part Number Request Date QTY Origin
NMP114301G0013 2025-05-132 1 DIBBS
NMP-1143(13TO18PSI) 2023-03-80 1 DIBBS
NMP-1143(13TO18PSI) 2023-03-61 1 DIBBS
NMP-1143(13TO18PSI) 2023-01-17 1 DIBBS
NMP-1143(13TO18PSI) 2020-10-303 3 DIBBS
NMP-1143(13TO18PSI) 2020-09-273 1 DIBBS
4820-01-549-5326 2016-06-165 3 DIBBS
4820-01-549-5326 2016-05-151 1 DIBBS
4820-01-549-5326 2015-07-204 2 DIBBS
4820-01-549-5326 2014-07-191 2 DIBBS
4820-01-549-5326 2014-06-166 1 DIBBS
4820-01-549-5326 2011-03-70 2 DIBBS
4820-01-549-5326 2010-12-349 2 DIBBS
4820-01-549-5326 2010-08-215 2 DIBBS
4820-01-549-5326 2010-05-133 2 DIBBS

Cross Reference | NSN 4820-01-549-5326

Part Number Cage Code Manufacturer
CDS-532 ITEM 32 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
D-10T/0R 8IN 13T18PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP-1064 8IN 13T18PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP-1143 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1143(13TO18PSI) 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-01-549-5326

Characteristic Specifications
MATERIAL BRONZE BODY
STYLE DESIGNATOR C1 ANGLE
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 13.0 TO 18.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER
SPECIFICATION/STANDARD DATA 81349 - MIL-V-24332 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA B GRADE
III PART NAME ASSIGNED BY CONTROLLING AGENCY BRONZE RELIEF VALVE, 8 X 10, T ORIFICE

Restrictions/Controls & Freight Information | NSN 4820-01-549-5326

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 HX Navy ICP
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 4820-01-549-5326

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable 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