Product Details | SAFETY RELIEF VALVE

4820-01-143-7230 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: BAMAA05MGG, BAMAA05MGGA019, BAMAA05MGG-A019, D50UU-05 SP 1 1/2IN, D50UU-05/SP, D50UU05SP, D50UU05SP112IN, 20212JM41M, 202841HM41M, 20284-1-HM41M, 4820-01-143-7230, 01-143-7230, 4820011437230, 011437230

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 DEC 1982 01-143-7230

Drawings & Photos | NSN 4820-01-143-7230


Demand History | NSN 4820-01-143-7230

Part Number Request Date QTY Origin
20212JM41M 2026-02-40 1 DIBBS
BAMAA05MGG-A019 2026-02-40 1 DIBBS
20212JM41M 2026-01-28 1 DIBBS
BAMAA05MGG-A019 2026-01-28 1 DIBBS
20212JM41M 2025-05-128 1 DIBBS
BAMAA05MGG-A019 2025-05-128 1 DIBBS
20212JM41M 2024-04-102 1 DIBBS
BAMAA05MGG-A019 2024-04-102 1 DIBBS
20212JM41M 2024-01-28 2 DIBBS
BAMAA05MGG-A019 2024-01-28 2 DIBBS
20212JM41M 2024-01-11 1 DIBBS
BAMAA05MGG-A019 2024-01-11 1 DIBBS
20212JM41M 2023-09-250 1 DIBBS
BAMAA05MGG-A019 2023-09-250 1 DIBBS
20212JM41M 2023-05-138 1 DIBBS
BAMAA05MGG-A019 2023-05-138 1 DIBBS
20212JM41M 2022-12-356 2 DIBBS
BAMAA05MGG-A019 2022-12-356 2 DIBBS
20212JM41M 2022-10-294 2 DIBBS
BAMAA05MGG-A019 2022-10-294 2 DIBBS
20212JM41M 2022-10-283 2 DIBBS
BAMAA05MGG-A019 2022-10-283 2 DIBBS
20212JM41M 2022-02-59 1 DIBBS
BAMAA05MGG-A019 2022-02-59 1 DIBBS
20212JM41M 2022-02-46 1 DIBBS
BAMAA05MGG-A019 2022-02-46 1 DIBBS
20212JM41M 2021-12-350 2 DIBBS
BAMAA05MGG-A019 2021-12-350 2 DIBBS
20212JM41M 2021-12-339 2 DIBBS
BAMAA05MGG-A019 2021-12-339 2 DIBBS
20212JM41M 2020-11-321 2 DIBBS
BAMAA05MGG-A019 2020-11-321 2 DIBBS
20212JM41M 2020-10-294 6 DIBBS
BAMAA05MGG-A019 2020-10-294 6 DIBBS
20212JM41M 2020-09-267 1 DIBBS
BAMAA05MGG-A019 2020-09-267 1 DIBBS
20212JM41M 2020-05-141 1 DIBBS
BAMAA05MGG-A019 2020-05-141 1 DIBBS
20212JM41M 2019-09-270 1 DIBBS
BAMAA05MGG-A019 2019-09-270 1 DIBBS
20212JM41M 2019-09-259 1 DIBBS
BAMAA05MGG-A019 2019-09-259 1 DIBBS
20212JM41M 2019-04-106 1 DIBBS
BAMAA05MGG-A019 2019-04-106 1 DIBBS
4820-01-143-7230 2018-12-360 1 DIBBS
4820-01-143-7230 2018-06-176 1 DIBBS
4820-01-143-7230 2018-06-165 1 DIBBS
4820-01-143-7230 2017-05-135 4 DIBBS
4820-01-143-7230 2017-04-117 5 DIBBS
4820-01-143-7230 2016-09-250 2 DIBBS
4820-01-143-7230 2016-08-236 2 DIBBS
4820-01-143-7230 2016-05-152 3 DIBBS
4820-01-143-7230 2016-05-139 3 DIBBS
4820-01-143-7230 2015-09-245 7 DIBBS
4820-01-143-7230 2015-05-123 4 DIBBS
4820-01-143-7230 2015-01-25 5 DIBBS
4820-01-143-7230 2012-06-178 1 US
4820-01-143-7230 2012-03-90 9 DIBBS
4820-01-143-7230 2012-02-33 6 DIBBS
4820-01-143-7230 2011-12-356 4 DIBBS
4820-01-143-7230 2011-06-159 2 DIBBS
4820-01-143-7230 2011-03-67 3 DIBBS
4820-01-143-7230 2010-09-265 2 DIBBS
4820-01-143-7230 2010-09-257 2 DIBBS
4820-01-143-7230 2010-05-123 4 DIBBS
4820-01-143-7230 2009-12-351 2 DIBBS
4820-01-143-7230 2009-11-307 3 DIBBS
4820-01-143-7230 2009-02-34 6 DIBBS
4820-01-143-7230 2008-08-242 9 DIBBS

Cross Reference | NSN 4820-01-143-7230

Part Number Cage Code Manufacturer
20212JM41M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20212JM41M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20284-1-HM41M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
BAMAA05MGG 65079 DANCO VALVE COMPANY
BAMAA05MGG-A019 5P967 DANTE VALVE COMPANY INC
BAMAA05MGG-A019 65079 DANCO VALVE COMPANY
D50UU-05 SP 1 1/2IN 65079 DANCO VALVE COMPANY
D50UU-05/SP 65079 DANCO VALVE COMPANY

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Technical Data | NSN 4820-01-143-7230

Characteristic Specifications
MATERIAL COPPER ALLOY BODY NICKEL ALLOY STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G22B STREAMLINED WITH TWO BRAZING RINGS ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 1.500 INCHES ALL ENDS
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 56.0 TO 65.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION FORRESTAL CLASS CV

Restrictions/Controls & Freight Information | NSN 4820-01-143-7230

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 P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code ZA Australia
ZB
ZC
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 4820-01-143-7230

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
ReparabilityDField Level Reparables
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each