Product Details | SAFETY RELIEF VALVE

4820-01-336-0221 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: 1582AS107, 1582AS1071, 1582AS107-1, 4820-01-336-0221, 01-336-0221, 4820013360221, 013360221

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 MAR 1991 01-336-0221

Drawings & Photos | NSN 4820-01-336-0221


Demand History | NSN 4820-01-336-0221

Part Number Request Date QTY Origin
4820-01-336-0221 2024-10-302 6 DIBBS
4820-01-336-0221 2023-11-320 6 DIBBS
4820-01-336-0221 2023-04-96 2 DIBBS
4820-01-336-0221 2023-02-57 1 DIBBS
4820-01-336-0221 2023-02-54 1 United States
4820-01-336-0221 2016-02-46 2 DIBBS
4820-01-336-0221 2015-09-271 2 DIBBS
4820-01-336-0221 2015-09-258 2 DIBBS

Cross Reference | NSN 4820-01-336-0221

Part Number Cage Code Manufacturer
1582AS107 30003 NAVAL AIR SYSTEMS COMMAND
1582AS107-1 30003 NAVAL AIR SYSTEMS COMMAND

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Technical Data | NSN 4820-01-336-0221

Characteristic Specifications
MATERIAL COPPER ALLOY BODY RUBBER SILICONE CLASS Q BODY LINING
STYLE DESIGNATOR C4 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE G26 PLAIN 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.250 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
SPECIAL FEATURES CLEAN AND PACKAGE FOR OXYGEN SERVICE PER 30003 1552AS201
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION AV-8A HARRIER AND F/A-18 HORNET AIRCRAFT

Restrictions/Controls & Freight Information | NSN 4820-01-336-0221

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
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
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 4820-01-336-0221

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDKAATTACKAIRCRAFT(AV-8)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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