Product Details | SAFETY RELIEF VALVE

4820-01-187-1972 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: NMP1107, NMP-1107, BAMAASPSCC, D50UU-04 1/2" , D50UU-04 1/2inch, D50UU0412, D50UU0412inch, DL0-40C-B-2 NMP-1107 18T29PSI, DL040CB2NMP110718T29PSI, 4820-01-187-1972, 01-187-1972, 4820011871972, 011871972

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 AUG 1984 01-187-1972

Drawings & Photos | NSN 4820-01-187-1972


Demand History | NSN 4820-01-187-1972

Part Number Request Date QTY Origin
4820-01-187-1972 2016-05-126 1 DIBBS

Cross Reference | NSN 4820-01-187-1972

Part Number Cage Code Manufacturer
BAMAASPSCC 5P967 DANTE VALVE COMPANY INC
BAMAASPSCC 65079 DANCO VALVE COMPANY
D50UU-04 1/2" 5P967 DANTE VALVE COMPANY INC
DL0-40C-B-2 NMP-1107 18T29PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DL0-40C-B-2 NMP-1107 18T29PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
DL0-40C-B-2 NMP-1107 18T29PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1107 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1107 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-01-187-1972

Characteristic Specifications
MATERIAL COPPER ALLOY BODY STEEL COMP 316 STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
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 TUBE ALL ENDS
CONNECTION STYLE G20A SOCKET ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 18.0 TO 29.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION SPRUANCE CLASS DD(963)

Restrictions/Controls & Freight Information | NSN 4820-01-187-1972

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 576 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 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 4820-01-187-1972

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 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
Purchasing QTY
UOM
1
EA : Each