Product Details | SAFETY RELIEF VALVE

4820-01-281-7370 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: NMP1551, NMP-1551, NMP-1551 ITEM DS, NMP-1551 ITEM DS-10D 30T42PSI, NMP1551ITEMDS, NMP1551ITEMDS10D30T42PSI, DS-10D 30T42PSI, DS10D30T42PSI, MILV20065D, MIL-V-20065D, 4820-01-281-7370, 01-281-7370, 4820012817370, 012817370

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 JUN 1988 01-281-7370

Drawings & Photos | NSN 4820-01-281-7370


Demand History | NSN 4820-01-281-7370

Part Number Request Date QTY Origin
NMP-1551 ITEM DS 2024-03-72 8 DIBBS
NMP155101S0030 2024-03-72 8 DIBBS
NMP-1551 ITEM DS 2023-11-333 3 DIBBS
NMP155101S0030 2023-11-333 3 DIBBS
NMP-1551 ITEM DS 2023-10-278 3 DIBBS
NMP155101S0030 2023-10-278 3 DIBBS
NMP-1551 ITEM DS 2023-09-250 1 DIBBS
NMP155101S0030 2023-09-250 1 DIBBS
NMP-1551 ITEM DS 2023-04-96 2 DIBBS
NMP155101S0030 2023-04-96 2 DIBBS
NMP-1551 ITEM DS 2023-03-68 8 DIBBS
NMP155101S0030 2023-03-68 8 DIBBS
NMP-1551 ITEM DS 2022-08-215 8 DIBBS
NMP155101S0030 2022-08-215 8 DIBBS
NMP-1551 ITEM DS 2022-07-207 3 DIBBS
NMP155101S0030 2022-07-207 3 DIBBS
NMP-1551 ITEM DS 2022-07-199 4 DIBBS
NMP155101S0030 2022-07-199 4 DIBBS
NMP-1551 ITEM DS 2022-06-160 1 DIBBS
NMP155101S0030 2022-06-160 1 DIBBS
NMP-1551 ITEM DS 2021-12-354 1 DIBBS
NMP155101S0030 2021-12-354 1 DIBBS
NMP-1551 ITEM DS 2021-12-336 2 DIBBS
NMP155101S0030 2021-12-336 2 DIBBS
NMP-1551 ITEM DS 2021-10-284 1 DIBBS
NMP155101S0030 2021-10-284 1 DIBBS
NMP-1551 ITEM DS 2021-07-199 1 DIBBS
NMP155101S0030 2021-07-199 1 DIBBS
NMP-1551 ITEM DS 2021-05-129 1 DIBBS
NMP155101S0030 2021-05-129 1 DIBBS
NMP-1551 ITEM DS 2020-04-110 10 DIBBS
NMP155101S0030 2020-04-110 10 DIBBS
NMP-1551 ITEM DS 2019-11-317 3 DIBBS
NMP155101S0030 2019-11-317 3 DIBBS
NMP-1551 ITEM DS 2019-07-192 4 DIBBS
NMP155101S0030 2019-07-192 4 DIBBS
4820-01-281-7370 2017-08-233 5 DIBBS
4820-01-281-7370 2017-06-157 4 DIBBS
4820-01-281-7370 2017-04-117 6 DIBBS
4820-01-281-7370 2017-04-96 6 DIBBS
4820-01-281-7370 2017-03-61 5 DIBBS
4820-01-281-7370 2017-02-55 5 DIBBS
4820-01-281-7370 2017-01-09 5 DIBBS
4820-01-281-7370 2016-02-41 5 DIBBS
4820-01-281-7370 2015-12-362 2 DIBBS
4820-01-281-7370 2015-10-277 2 DIBBS
4820-01-281-7370 2015-08-217 3 DIBBS
4820-01-281-7370 2014-12-359 1 DIBBS
4820-01-281-7370 2014-05-142 1 DIBBS
4820-01-281-7370 2014-05-131 1 DIBBS
4820-01-281-7370 2010-11-327 4 DIBBS
4820-01-281-7370 2010-11-305 2 DIBBS
4820-01-281-7370 2010-08-218 1 DIBBS
4820-01-281-7370 2010-02-38 1 DIBBS
4820-01-281-7370 2009-12-363 2 DIBBS
4820-01-281-7370 2009-06-181 2 DIBBS

Cross Reference | NSN 4820-01-281-7370

Part Number Cage Code Manufacturer
DS-10D 30T42PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DS-10D 30T42PSI 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
DS-10D 30T42PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
MIL-V-20065D 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
NMP-1551 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1551 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1551 ITEM DS 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
NMP-1551 ITEM DS-10D 30T42PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1551 ITEM DS-10D 30T42PSI 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV

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Technical Data | NSN 4820-01-281-7370

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE 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 4.125 INCHES
VALVE SIZE 2.000 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.000 INCHES 1ST END 4.250 INCHES 2ND END
NOMINAL THICKNESS 0.562 INCHES 1ST END 0.438 INCHES 2ND END
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 1ST END 0.625 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 4.750 INCHES 1ST END 3.125 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.062 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER 3.625 INCHES 1ST END 2.000 INCHES 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 30.0 TO 42.0 POUNDS PER SQUARE INCH
SPECIFICATION/STANDARD DATA 81349-MIL-V-20065D GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND D COMPOSITION
III END ITEM IDENTIFICATION WASP CLASS LHD
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-V-20065D

Restrictions/Controls & Freight Information | NSN 4820-01-281-7370

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 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 4820-01-281-7370

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each