Product Details | SAFETY RELIEF VALVE

4820-01-343-1809 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: BASAA06SFF, D50UU-06-1 1/4IN, D50UU06114IN, MILV24332, MIL-V-24332, 4820-01-343-1809, 01-343-1809, 4820013431809, 013431809

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 07 AUG 1991 01-343-1809

Drawings & Photos | NSN 4820-01-343-1809


Demand History | NSN 4820-01-343-1809

Part Number Request Date QTY Origin
MILV24332 2025-12-346 1 United States
BASAA06SFF 2025-10-300 14 DIBBS
BASAA06SFF 2025-10-287 14 DIBBS
BASAA06SFF 2025-04-111 6 DIBBS
BASAA06SFF 2025-04-100 6 DIBBS
BASAA06SFF 2024-09-256 4 DIBBS
BASAA06SFF 2023-09-264 4 DIBBS
BASAA06SFF 2023-01-26 5 DIBBS
BASAA06SFF 2022-09-245 5 DIBBS
BASAA06SFF 2022-08-234 5 DIBBS
BASAA06SFF 2022-08-220 7 DIBBS
BASAA06SFF 2022-07-209 7 DIBBS
BASAA06SFF 2021-11-319 3 DIBBS
BASAA06SFF 2021-10-304 3 DIBBS
BASAA06SFF 2020-10-294 7 DIBBS
BASAA06SFF 2019-02-52 15 DIBBS
4820-01-343-1809 2018-03-84 8 DIBBS
4820-01-343-1809 2017-10-285 4 DIBBS
4820-01-343-1809 2017-06-163 4 DIBBS
4820-01-343-1809 2017-05-141 4 DIBBS
4820-01-343-1809 2016-09-252 4 DIBBS
4820-01-343-1809 2014-08-225 33 DIBBS
4820-01-343-1809 2013-06-156 5 DIBBS
4820-01-343-1809 2013-01-04 2 DIBBS
4820-01-343-1809 2012-06-158 2 DIBBS
4820-01-343-1809 2012-03-68 2 DIBBS
4820-01-343-1809 2011-08-213 1 DIBBS
4820-01-343-1809 2011-06-177 1 DIBBS
4820-01-343-1809 2011-06-157 3 DIBBS
4820-01-343-1809 2010-08-239 2 DIBBS
4820-01-343-1809 2009-06-159 2 DIBBS
4820-01-343-1809 2009-04-110 4 DIBBS

Cross Reference | NSN 4820-01-343-1809

Part Number Cage Code Manufacturer
BASAA06SFF 5P967 DANTE VALVE COMPANY INC
BASAA06SFF 65079 DANCO VALVE COMPANY
D50UU-06-1 1/4IN 65079 DANCO VALVE COMPANY
MIL-V-24332 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4820-01-343-1809

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT COPPER ALLOY STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED HYDRAZINE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH 1ST RESPONSE 200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT 1ST RESPONSE 425.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G20B SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 1.250 INCHES ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-V-24332

Restrictions/Controls & Freight Information | NSN 4820-01-343-1809

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 4820-01-343-1809

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