Product Details | SAFETY RELIEF VALVE

4820-01-625-3322 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: D40UU-08S-1/2-1/2 , D40UU08S1212, 4820-01-625-3322, 01-625-3322, 4820016253322, 016253322

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2014031 01-625-3322

Demand History | NSN 4820-01-625-3322

Part Number Request Date QTY Origin
D40UU-08S-1/2-1/2 2025-05-139 8 DIBBS
D40UU-08S-1/2-1/2 2025-05-128 8 DIBBS
D40UU-08S-1/2-1/2 2024-06-158 9 DIBBS
D40UU-08S-1/2-1/2 2023-08-222 8 DIBBS
D40UU-08S-1/2-1/2 2023-07-190 4 DIBBS
D40UU-08S-1/2-1/2 2022-11-329 12 DIBBS
D40UU-08S-1/2-1/2 2022-11-317 12 DIBBS
D40UU-08S-1/2-1/2 2022-08-223 4 DIBBS
D40UU-08S-1/2-1/2 2022-07-212 4 DIBBS
D40UU-08S-1/2-1/2 2022-04-91 4 DIBBS
D40UU-08S-1/2-1/2 2022-03-79 4 DIBBS
D40UU-08S-1/2-1/2 2021-03-67 6 DIBBS
D40UU-08S-1/2-1/2 2021-02-56 6 DIBBS
D40UU-08S-1/2-1/2 2020-11-321 3 DIBBS
D40UU-08S-1/2-1/2 2020-11-308 3 DIBBS
D40UU-08S-1/2-1/2 2020-10-294 3 DIBBS
D40UU-08S-1/2-1/2 2020-09-265 7 DIBBS
D40UU-08S-1/2-1/2 2020-08-243 4 DIBBS
D40UU-08S-1/2-1/2 2020-01-30 3 DIBBS
D40UU-08S-1/2-1/2 2020-01-23 3 DIBBS
4820-01-625-3322 2018-09-263 6 DIBBS
4820-01-625-3322 2017-11-334 5 DIBBS
4820-01-625-3322 2016-07-189 3 DIBBS
4820-01-625-3322 2016-06-174 10 DIBBS
4820-01-625-3322 2016-06-160 2 DIBBS
4820-01-625-3322 2015-09-271 1 DIBBS

Cross Reference | NSN 4820-01-625-3322

Part Number Cage Code Manufacturer
D40UU-08S-1/2-1/2 5P967 DANTE VALVE COMPANY INC

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Technical Data | NSN 4820-01-625-3322

Characteristic Specifications
MATERIAL BRONZE BODY
MATERIAL DOCUMENT AND CLASSIFICATION STMB61 ASSN STD SINGLE MATERIAL RESPONSE BODY
VALVE SIZE 0.50 INCHES
FLOW CONTROL DEVICE STEM
MEDIA FOR WHICH DESIGNED LIQUID SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
RENEWABLE SEAT RING TYPE THREADED
SPECIAL FEATURES 1/2" UNION ENDS SILVER BRAZE INLET AND OUTLET
III PART NAME ASSIGNED BY CONTROLLING AGENCY SHIPBOARD AIR COMPRESSOR PRESSURE RELIEF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-625-3322

Category Code Description
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.
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 HD Naval Inventory Control Point
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 4820-01-625-3322

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative