Product Details | SAFETY RELIEF VALVE

4820-01-466-6411 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: SS4CPA2DR50, SS-4CPA2-DR-50 , SS4CPA2RD50, SS-4CPA2-RD-50, 3447AS117, 3447AS1171, 3447AS117-1, 4820-01-466-6411, 01-466-6411, 4820014666411, 014666411

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 JUL 1999 01-466-6411

Drawings & Photos | NSN 4820-01-466-6411


Demand History | NSN 4820-01-466-6411

Part Number Request Date QTY Origin
4820-01-466-6411 2024-09-264 4 United States
3447AS117-1 2022-08-215 6 DIBBS
SS-4CPA2-DR-50 2022-08-215 6 DIBBS
3447AS117-1 2022-05-137 20 DIBBS
SS-4CPA2-DR-50 2022-05-137 20 DIBBS
3447AS117-1 2022-01-05 9 DIBBS
SS-4CPA2-DR-50 2022-01-05 9 DIBBS
3447AS117-1 2021-12-341 48 DIBBS
SS-4CPA2-DR-50 2021-12-341 48 DIBBS
3447AS117-1 2021-11-322 7 DIBBS
SS-4CPA2-DR-50 2021-11-322 7 DIBBS
3447AS117-1 2021-08-216 7 DIBBS
SS-4CPA2-DR-50 2021-08-216 7 DIBBS
3447AS117-1 2021-07-189 43 DIBBS
SS-4CPA2-DR-50 2021-07-189 43 DIBBS
3447AS117-1 2020-10-296 7 DIBBS
SS-4CPA2-DR-50 2020-10-296 7 DIBBS
3447AS117-1 2020-08-217 7 DIBBS
SS-4CPA2-DR-50 2020-08-217 7 DIBBS
3447AS117-1 2020-04-104 33 DIBBS
SS-4CPA2-DR-50 2020-04-104 33 DIBBS
3447AS117-1 2019-12-336 27 DIBBS
SS-4CPA2-DR-50 2019-12-336 27 DIBBS
3447AS117-1 2019-04-112 9 DIBBS
SS-4CPA2-DR-50 2019-04-112 9 DIBBS
4820-01-466-6411 2017-08-219 10 DIBBS
4820-01-466-6411 2015-09-256 10 DIBBS
4820-01-466-6411 2015-03-78 10 DIBBS
4820-01-466-6411 2014-06-155 10 DIBBS
4820-01-466-6411 2014-05-127 10 DIBBS
4820-01-466-6411 2013-04-102 6 DIBBS
4820-01-466-6411 2011-08-224 8 DIBBS
4820-01-466-6411 2010-02-42 3 DIBBS

Cross Reference | NSN 4820-01-466-6411

Part Number Cage Code Manufacturer
3447AS117 30003 NAVAL AIR SYSTEMS COMMAND
3447AS117-1 30003 NAVAL AIR SYSTEMS COMMAND
SS-4CPA2-DR-50 18034 NUPRO CO
SS-4CPA2-DR-50 3T979 AERCO INTERNATIONAL INC
SS-4CPA2-RD-50 02570 SWAGELOK COMPANY DBA USE CAGE CODE 3T9T9 FOR

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Technical Data | NSN 4820-01-466-6411

Characteristic Specifications
MATERIAL STEEL COMP 316 BODY RUBBER FLUOROCARBON CLASS FPM PACKING
STYLE DESIGNATOR C11 SCREW-IN CARTRIDGE
FLOW CONTROL DEVICE O-RING, DILATING
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED CARTRIDGE ALL ENDS
CONNECTION STYLE G46B PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.250 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
SPECIAL FEATURES CLEANED AND PACKED FOR OXYGEN SERVICE IAW ASTM693
CRITICALITY CODE JUSTIFICATION FEAT

Restrictions/Controls & Freight Information | NSN 4820-01-466-6411

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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 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 4820-01-466-6411

Category Code Description
Cognizance Codes9BNavy-owned stocks of 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