Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-216-9978 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: 2696, 2-696, 44-3-01-2-1-2-0 1/2 X 1/2IN, 44301212012X12IN, 86182PC3, 8618-2PC3, 86182PC3CP, 8618-2PC3CP, 4820-01-216-9978, 01-216-9978, 4820012169978, 012169978

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 SEP 1985 01-216-9978

Cross Reference | NSN 4820-01-216-9978

Part Number Cage Code Manufacturer
2-696 40983 TRW INC TRW MISSION DRILLLING PRODUCTS DIV
44-3-01-2-1-2-0 1/2 X 1/2IN 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
44-3-01-2-1-2-0 1/2 X 1/2IN 52253 FLUID MECHANICS VALVE COMPANY
8618-2PC3 13627 CRYO-CHEM INC
8618-2PC3CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-216-9978

Characteristic Specifications
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS CLEANING, PACKAGING AND MARKING IAW MIL-STD-1330D
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 13627
DESIGN CONTROL REFERENCE PURPO 8618-2PC3 SE,ELECTRICAL

Restrictions/Controls & Freight Information | NSN 4820-01-216-9978

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 4820-01-216-9978

Category Code Description
Cognizance Codes9BNavy-owned stocks of 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
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