Product Details | SAFETY RELIEF VALVE

4820-00-142-1541 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: A1PC33, BDE1S51015ALT2PC33, BDE1S5101-5ALT2PC33, C371APC33, MILV20065, YSR17S5100703108PC33, YSR17S5100-703108PC33, 18038L00DP125, 18038L00DP125FB, 20050N0REV20050, 20050NOREV20050Q51SS883117149, 4820-00-142-1541, 00-142-1541, 4820001421541, 001421541

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-142-1541

Drawings & Photos | NSN 4820-00-142-1541


Cross Reference | NSN 4820-00-142-1541

Part Number Cage Code Manufacturer
18038L00DP125 03268 AMES IRON WORKS
18038L00DP125FB 03268 AMES IRON WORKS
20050N0REV20050 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20050NOREV20050Q51SS883117149 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
A1PC33 03268 AMES IRON WORKS
BDE1S5101-5ALT2PC33 53711 NAVAL SEA SYSTEMS COMMAND
BDE1S5101-5ALT2PC33 80064 NAVAL SHIP SYSTEMS COMMAND
C371APC33 03268 AMES IRON WORKS
MILV20065 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
YSR17S5100-703108PC33 53711 NAVAL SEA SYSTEMS COMMAND
YSR17S5100-703108PC33 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-00-142-1541

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 500.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.000 INCHES ALL ENDS
NOMINAL THICKNESS 0.500 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 4.750 INCHES ALL ENDS
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER 3.625 INCHES ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 121.0 TO 160.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURES 2 IN. VALVE SIZE
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND D COMPOSITION
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILV20065

Restrictions/Controls & Freight Information | NSN 4820-00-142-1541

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:UPrecious metal type is unknown
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 XX
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 4820-00-142-1541

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
Purchasing QTY
UOM
1
EA : Each