Product Details | SAFETY RELIEF VALVE

4820-01-225-6854 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: BAMAA05MGH, D50UU-05 1-1/2 X 2, D50UU05112X2, R10AH1J1AP AND D50099, R10AH1J1APANDD50099, 4820-01-225-6854, 01-225-6854, 4820012256854, 012256854

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 FEB 1986 01-225-6854

Drawings & Photos | NSN 4820-01-225-6854


Demand History | NSN 4820-01-225-6854

Part Number Request Date QTY Origin
BAMAA05MGH 2025-05-142 1 DIBBS
R10AH1J1AP AND D50099 2025-05-142 1 DIBBS
BAMAA05MGH 2024-01-04 1 DIBBS
R10AH1J1AP AND D50099 2024-01-04 1 DIBBS
BAMAA05MGH 2021-10-284 1 DIBBS
R10AH1J1AP AND D50099 2021-10-284 1 DIBBS
BAMAA05MGH 2021-04-98 1 DIBBS
R10AH1J1AP AND D50099 2021-04-98 1 DIBBS
4820-01-225-6854 2017-10-298 1 DIBBS
4820-01-225-6854 2016-09-273 1 DIBBS
4820-01-225-6854 2014-04-93 1 DIBBS
4820-01-225-6854 2014-02-36 2 DIBBS
4820-01-225-6854 2014-01-30 2 DIBBS
4820-01-225-6854 2013-09-252 1 DIBBS
4820-01-225-6854 2013-03-62 1 DIBBS
4820-01-225-6854 2012-10-300 1 DIBBS

Cross Reference | NSN 4820-01-225-6854

Part Number Cage Code Manufacturer
BAMAA05MGH 5P967 DANTE VALVE COMPANY INC
BAMAA05MGH 65079 DANCO VALVE COMPANY
D50UU-05 1-1/2 X 2 65079 DANCO VALVE COMPANY
R10AH1J1AP AND D50099 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS

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Technical Data | NSN 4820-01-225-6854

Characteristic Specifications
MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
BONNET ATTACHMENT METHOD BOLTED
MATERIAL NICKEL ALLOY SEAT
FURNISHED ITEMS AND QUANTITY 1 LEVER
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
ADJUSTABLE PRESSURE RANGE +60.0 TO 74.0 POUNDS PER SQUARE INCH
NOMINAL PIPE SIZE ACCOMMODATED 2.000 INCHES 1ST END
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
CONNECTION STYLE STREAMLINED WITH ONE BRAZING RING ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL COPPER ALLOY BODY
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
FLOW CONTROL DEVICE DISK
STYLE DESIGNATOR C1 ANGLE
MATERIAL STEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
NOMINAL PIPE SIZE ACCOMMODATED 1.500 INCHES 2ND END
BONNET TYPE INSIDE SCREW

Restrictions/Controls & Freight Information | NSN 4820-01-225-6854

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.
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 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 4820-01-225-6854

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