Product Details | SAFETY RELIEF VALVE

4820-01-140-3781 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: H9569, D8062, H959, 10124630 , 42312168, 42312-168, 4820-01-140-3781, 01-140-3781, 4820011403781, 011403781, 42312E168

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 OCT 1982 01-140-3781

Drawings & Photos | NSN 4820-01-140-3781


Demand History | NSN 4820-01-140-3781

Part Number Request Date QTY Origin
42312E168 2020-01-24 24 DIBBS
H959 2020-01-24 24 DIBBS
42312E168 2020-01-13 24 DIBBS
H959 2020-01-13 24 DIBBS
42312E168 2020-01-02 24 DIBBS
H959 2020-01-02 24 DIBBS
4820-01-140-3781 2018-06-162 15 DIBBS
4820-01-140-3781 2018-05-151 15 DIBBS
4820-01-140-3781 2017-12-362 34 DIBBS
4820-01-140-3781 2017-11-306 11 DIBBS
4820-01-140-3781 2013-07-207 20 DIBBS
4820-01-140-3781 2013-07-190 20 DIBBS
4820-01-140-3781 2013-06-175 20 DIBBS
4820-01-140-3781 2013-03-71 16 DIBBS
4820-01-140-3781 2013-01-31 8 DIBBS
4820-01-140-3781 2012-11-316 19 DIBBS
4820-01-140-3781 2010-10-302 3 DIBBS
4820-01-140-3781 2010-07-210 2 DIBBS
4820-01-140-3781 2009-10-302 22 DIBBS
4820-01-140-3781 2009-05-150 7 DIBBS
4820-01-140-3781 2009-01-15 20 DIBBS

Cross Reference | NSN 4820-01-140-3781

Part Number Cage Code Manufacturer
42312-168 82402 TRIUMPH GEAR SYSTEMS, INC. DBA TRIUMPH GEAR SYSTEMS- PARK CITY
42312E168 82402 TRIUMPH GEAR SYSTEMS, INC. DBA TRIUMPH GEAR SYSTEMS- PARK CITY
D8062 50276 PREECE INC DECCA VALVES DIV
H9569 06239 AUSCO,INC.
H959 06239 AUSCO,INC.

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Technical Data | NSN 4820-01-140-3781

Characteristic Specifications
STYLE DESIGNATOR C12 DROP-IN CARTRIDGE
MEDIA FOR WHICH DESIGNED OIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 4.2 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
MANUFACTURERS CODE 82402
MFR SOURCE CONTROLLING REFERENCE 42312-168

Restrictions/Controls & Freight Information | NSN 4820-01-140-3781

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.
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 P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 4820-01-140-3781

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each