Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-355-7388 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: 81S68-4L 4001 TO 6000PSI, 81S68-4L 4001 TO 6000PSICP, 81S684L4001TO6000PSI, 81S684L4001TO6000PSICP, 4820-01-355-7388, 01-355-7388, 4820013557388, 013557388

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 MAR 1992 01-355-7388

Cross Reference | NSN 4820-01-355-7388

Part Number Cage Code Manufacturer
81S68-4L 4001 TO 6000PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
81S68-4L 4001 TO 6000PSICP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-355-7388

Characteristic Specifications
BODY MATERIAL STEEL, CORROSION RESISTING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS CLEANED IN ACCORDANCE WITH MIL-C-52211
CRITICALITY CODE JUSTIFICATION ZZZY
III END ITEM IDENTIFICATION VALVE RELIEF .75 IPS
MANUFACTURERS CODE 01343
DESIGN CONTROL REFERENCE 81S68-4L 4001 TO 6000PSI

Restrictions/Controls & Freight Information | NSN 4820-01-355-7388

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-355-7388

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDCPAn item that requires special cleaning and packaging for oxygen/nitrogen service (e.g, valves, piping systems, generators).
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