Product Details | SAFETY RELIEF VALVE

4820-01-632-2851 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: 177517, 17751-7 , 177527, 17752-7 , 4820-01-632-2851, 01-632-2851, 4820016322851, 016322851

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2014288 01-632-2851

Demand History | NSN 4820-01-632-2851

Part Number Request Date QTY Origin
17751-7 2021-11-319 2 DIBBS
17752-7 2021-11-319 2 DIBBS
17751-7 2021-09-271 1 DIBBS
17752-7 2021-09-271 1 DIBBS
17751-7 2021-02-56 1 DIBBS
17752-7 2021-02-56 1 DIBBS
4820-01-632-2851 2018-11-317 6 DIBBS
4820-01-632-2851 2018-11-305 6 DIBBS
4820-01-632-2851 2017-06-166 1 DIBBS
4820-01-632-2851 2017-06-155 1 DIBBS
4820-01-632-2851 2017-05-123 1 DIBBS
4820-01-632-2851 2016-11-312 1 DIBBS
4820-01-632-2851 2016-11-307 1 DIBBS
4820-01-632-2851 2016-06-171 1 DIBBS

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Technical Data | NSN 4820-01-632-2851

Characteristic Specifications
III PART NAME ASSIGNED BY CONTROLLING AGENCY RELIEF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-632-2851

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 4820-01-632-2851

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