Product Details | SAFETY RELIEF VALVE

4820-01-270-5763 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: 45495, 45495K, 46333, 46333 ASSY 45495, 46333ASSY45495, 4820-01-270-5763, 01-270-5763, 4820012705763, 012705763

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 JAN 1988 01-270-5763

Drawings & Photos | NSN 4820-01-270-5763


Demand History | NSN 4820-01-270-5763

Part Number Request Date QTY Origin
45495K 2021-07-189 3 DIBBS
45495K 2021-06-178 2 DIBBS
45495K 2021-06-168 3 DIBBS
45495K 2021-05-126 3 DIBBS
45495K 2019-12-353 16 DIBBS
4820-01-270-5763 2018-10-274 18 DIBBS
4820-01-270-5763 2018-09-263 18 DIBBS
4820-01-270-5763 2018-01-28 13 DIBBS
4820-01-270-5763 2017-09-250 10 DIBBS
4820-01-270-5763 2017-03-61 11 DIBBS
4820-01-270-5763 2015-07-211 7 DIBBS
4820-01-270-5763 2015-02-36 7 DIBBS
4820-01-270-5763 2013-10-304 8 DIBBS

Cross Reference | NSN 4820-01-270-5763

Part Number Cage Code Manufacturer
45495 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO
45495K 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO
46333 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO
46333 ASSY 45495 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO

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Technical Data | NSN 4820-01-270-5763

Characteristic Specifications
MATERIAL COPPER ALLOY 922 BODY RUBBER SYNTHETIC FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLE G20A SOCKET ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES ALL ENDS
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 65.0 TO 100.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-270-5763

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 4820-01-270-5763

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 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