Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-216-8837 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: 20189, 20189AM91SS, 4820-01-216-8837, 01-216-8837, 4820012168837, 012168837

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 SEP 1985 01-216-8837

Cross Reference | NSN 4820-01-216-8837

Part Number Cage Code Manufacturer
20189 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20189AM91SS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-01-216-8837

Characteristic Specifications
BODY STYLE ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.407 INCHES MINIMUM AND
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 5.407 INCHES MINIMUM AND
BODY MATERIAL STEEL, ASTM A351, GRADE CF8M
SEAT MATERIAL STEEL, ASTM A351, GRADE CF8
FLOW CONTROL DEVICE DISK, PLUG TYPE
FLOW CONTROL DEVICE MATERIAL STEEL, ASTM A351, GRADE CF8
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE RAISED FACE FLANGE
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED ANY ACCEPTABLE
TEMP RATING 180.0 DEG FAHRENHEIT
VALVE DISCHARGE FLOW RATE 10.0 GALLONS PER MINUTE
TEMP CONTROL DEVICE TYPE THERMOSTATIC
OPENING PRESSURE SETTING 830.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 01343
DESIGN CONTROL REFERENCE 20189AM91SS

Restrictions/Controls & Freight Information | NSN 4820-01-216-8837

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:FMunitions List Item or Commerce Control List Item. Demilitarization required. Demilitarization Instructions to be furnished by the Item/Technical Manager.
Controlled Inventory Item Code:7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:CThe item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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 HX Navy ICP
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 4820-01-216-8837

Category Code Description
Cognizance Codes7HDepot level reparable shipboard and base equipment, assemblies, components and repair parts related to Naval Sea Systems Command equipment
Naval Inventory Control Point, Mechanicsburg
Special Material IDX4Special catagory of Nuclear Reactor Plant (NRP) material which is procured by NAVICP MECH and technically receipt inspected and certified as ready for use by a naval nuclear shipyard.
Issue Repair, or RequisitionC0Critical item. Do not issue. Refer all requests to cognizant manager.
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
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 Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life Code0Nondeteriorative