Product Details | SAFETY RELIEF VALVE

4820-01-026-2245 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: 20045B015022, 20045B01S0025, 20045D91M, 4820-01-026-2245, 01-026-2245, 4820010262245, 010262245

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 AUG 1976 01-026-2245

Drawings & Photos | NSN 4820-01-026-2245


Demand History | NSN 4820-01-026-2245

Part Number Request Date QTY Origin
2004501S0025 2019-01-17 1 DIBBS
4820-01-026-2245 2018-12-344 3 DIBBS
4820-01-026-2245 2018-11-319 1 DIBBS
4820-01-026-2245 2018-09-256 1 DIBBS
4820-01-026-2245 2017-02-40 3 DIBBS
4820-01-026-2245 2016-09-266 5 DIBBS
4820-01-026-2245 2016-01-19 1 DIBBS
4820-01-026-2245 2014-10-275 1 DIBBS
4820-01-026-2245 2012-08-233 1 DIBBS
4820-01-026-2245 2012-03-68 5 DIBBS
4820-01-026-2245 2011-08-238 2 DIBBS
4820-01-026-2245 2011-02-53 5 DIBBS
4820-01-026-2245 2011-01-12 5 DIBBS
4820-01-026-2245 2010-12-342 5 DIBBS
4820-01-026-2245 2010-08-239 5 DIBBS
4820-01-026-2245 2009-09-247 5 DIBBS

Cross Reference | NSN 4820-01-026-2245

Part Number Cage Code Manufacturer
20045B015022 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20045B015022 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20045B01S0025 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20045D91M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20045D91M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-026-2245

Characteristic Specifications
MATERIAL COPPER ALLOY BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 4.000 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.875 INCHES
VALVE SIZE 3.000 INCHES
FLOW CONTROL DEVICE DISK
VALVE DISCHARGE FLOW RATE 463.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.625 INCHES ALL ENDS
NOMINAL THICKNESS 0.500 INCHES ALL ENDS
BOLT HOLE QUANTITY 8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 5.500 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 25.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION MARINE HARDWARE AND HULL DOORS

Restrictions/Controls & Freight Information | NSN 4820-01-026-2245

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:UPrecious metal type is unknown
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-026-2245

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