Product Details | SAFETY RELIEF VALVE

4820-01-051-8216 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: BAMAA04SCC, 20213, 20213ES41M, 4820-01-051-8216, 01-051-8216, 4820010518216, 010518216

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 DEC 1977 01-051-8216

Drawings & Photos | NSN 4820-01-051-8216


Demand History | NSN 4820-01-051-8216

Part Number Request Date QTY Origin
4820-01-051-8216 2017-02-37 4 DIBBS
4820-01-051-8216 2017-02-36 3 DIBBS
4820-01-051-8216 2016-11-318 3 DIBBS
4820-01-051-8216 2016-06-158 3 DIBBS
4820-01-051-8216 2014-08-232 2 DIBBS
4820-01-051-8216 2010-04-113 2 DIBBS

Cross Reference | NSN 4820-01-051-8216

Part Number Cage Code Manufacturer
20213 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20213ES41M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20213ES41M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
BAMAA04SCC 65079 DANCO VALVE COMPANY
BAMAA04SCC-A041 5P967 DANTE VALVE COMPANY INC
BAMAA04SCC-A041 65079 DANCO VALVE COMPANY

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Technical Data | NSN 4820-01-051-8216

Characteristic Specifications
MATERIAL COPPER ALLOY BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 385.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 9.4 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G21B STREAMLINED WITH ONE BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.500 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
ADJUSTABLE PRESSURE RANGE 25.0 TO 29.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION SHIP,OHIO CLASS SSN(TRIDENT)

Restrictions/Controls & Freight Information | NSN 4820-01-051-8216

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:UPrecious metal type is unknown
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 4820-01-051-8216

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 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each