Product Details | SAFETY RELIEF VALVE

4820-01-311-9464 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: NMP1112, NMP-1112, NMP-1112 65T74PSI.DL040HB2, NMP111265T74PSIDL040HB2, NMP1112G11G0065, BAMAA05SHH, DL040HB2 65T74PSI, DL040HB265T74PSI, MILV24332, MIL-V-24332, 4820-01-311-9464, 01-311-9464, 4820013119464, 013119464

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 07 DEC 1989 01-311-9464

Drawings & Photos | NSN 4820-01-311-9464


Demand History | NSN 4820-01-311-9464

Part Number Request Date QTY Origin
MILV24332 2025-12-346 1 United States
4820-01-311-9464 2013-09-254 9 DIBBS
4820-01-311-9464 2013-02-36 3 DIBBS
4820-01-311-9464 2012-10-290 3 DIBBS
4820-01-311-9464 2012-08-242 1 DIBBS
4820-01-311-9464 2010-08-215 5 DIBBS
4820-01-311-9464 2010-06-167 8 DIBBS
4820-01-311-9464 2010-04-95 5 DIBBS
4820-01-311-9464 2010-02-59 2 DIBBS
4820-01-311-9464 2010-01-04 3 DIBBS

Cross Reference | NSN 4820-01-311-9464

Part Number Cage Code Manufacturer
BAMAA05SHH 5P967 DANTE VALVE COMPANY INC
BAMAA05SHH 65079 DANCO VALVE COMPANY
DL040HB2 65T74PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
MIL-V-24332 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
NMP-1112 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1112 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1112 65T74PSI.DL040HB2 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP1112G11G0065 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP1112G11G0065 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP1112G11G0065 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-01-311-9464

Characteristic Specifications
MATERIAL COPPER ALLOY BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE RUBBER FLUOROCARBON CLASS FPM PACKING STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 4.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 4.000 INCHES
VALVE SIZE 2.000 INCHES
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 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 PLAIN ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 65.0 TO 74.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
SPECIFICATION/STANDARD DATA 81349-MIL-V-24332 GOVERNMENT SPECIFICATION
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-V-24332

Restrictions/Controls & Freight Information | NSN 4820-01-311-9464

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 4820-01-311-9464

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
ReparabilityDField Level Reparables
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