Product Details | SAFETY RELIEF VALVE

4820-01-219-3618 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: 20213PS41M, 4820-01-219-3618, 01-219-3618, 4820012193618, 012193618

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 25 OCT 1985 01-219-3618

Drawings & Photos | NSN 4820-01-219-3618


Cross Reference | NSN 4820-01-219-3618

Part Number Cage Code Manufacturer
20213PS41M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-01-219-3618

Characteristic Specifications
BONNET ATTACHMENT METHOD BOLTED
MATERIAL NICKEL ALLOY SEAT
THREAD DIRECTION RIGHT-HAND ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
CRITICALITY CODE JUSTIFICATION ZZZY
THREAD QUANTITY PER INCH 14 ALL ENDS
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
THREAD CLASS 2A ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL COPPER ALLOY BODY
MATERIAL NICKEL ALLOY STEM
MAXIMUM OPERATING PRESSURE 125.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
FLOW CONTROL DEVICE DISK
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR C1 ANGLE
VALVE OPERATION METHOD AUTOMATIC
THREAD SERIES DESIGNATOR UNS ALL ENDS
BONNET TYPE INSIDE SPRING

Restrictions/Controls & Freight Information | NSN 4820-01-219-3618

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 4820-01-219-3618

Category Code Description
Cognizance Codes1HConsumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg
Special Material IDX5Navy Nuclear Reactor Plant (NNRP) component level material under the technical cognizant of NAVSEA 08, but managed by NAVICP MECH. This SMIC contains all component level nuclear material not qualifying for X1 or X4 SMIC assignment.
Issue Repair, or RequisitionBLSubmit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipments.
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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
Purchasing QTY
UOM
1
EA : Each