Product Details | CHECK VALVE

4820-01-305-2011 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: SS70911N16J, SS70-911N-16J, 4820-01-305-2011, 01-305-2011, 4820013052011, 013052011

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 AUG 1989 01-305-2011

Drawings & Photos | NSN 4820-01-305-2011


Demand History | NSN 4820-01-305-2011

Part Number Request Date QTY Origin
SS70-911N-16J 2025-11-327 5 DIBBS
SS70-911N-16J 2024-05-123 5 DIBBS
SS70-911N-16J 2023-04-107 8 DIBBS
SS70-911N-16J 2023-04-96 8 DIBBS
SS70-911N-16J 2022-12-346 8 DIBBS
SS70-911N-16J 2022-11-333 8 DIBBS
SS70-911N-16J 2022-08-234 3 DIBBS
SS70-911N-16J 2022-08-223 3 DIBBS
SS70-911N-16J 2022-05-132 6 DIBBS
SS70-911N-16J 2022-05-121 6 DIBBS
SS70-911N-16J 2022-04-108 6 DIBBS
SS70-911N-16J 2022-04-96 3 DIBBS
SS70-911N-16J 2022-04-91 2 DIBBS
SS70-911N-16J 2022-03-79 2 DIBBS
SS70-911N-16J 2022-03-67 3 DIBBS
SS70-911N-16J 2021-11-333 3 DIBBS
SS70-911N-16J 2021-11-322 3 DIBBS
SS70-911N-16J 2021-10-285 3 DIBBS
SS70-911N-16J 2021-09-271 3 DIBBS
SS70-911N-16J 2020-12-356 7 DIBBS
SS70-911N-16J 2020-12-345 7 DIBBS
SS70-911N-16J 2020-11-307 7 DIBBS
SS70-911N-16J 2020-10-294 7 DIBBS
SS70-911N-16J 2019-11-324 12 DIBBS
4820-01-305-2011 2018-11-310 9 DIBBS
4820-01-305-2011 2016-06-161 1 DIBBS
4820-01-305-2011 2016-05-124 16 DIBBS
4820-01-305-2011 2015-09-270 7 DIBBS
4820-01-305-2011 2014-04-93 6 DIBBS
4820-01-305-2011 2012-11-318 13 DIBBS
4820-01-305-2011 2012-09-271 2 DIBBS

Cross Reference | NSN 4820-01-305-2011

Part Number Cage Code Manufacturer
SS70-911N-16J 78286 SIKORSKY AIRCRAFT CORPORATION

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Technical Data | NSN 4820-01-305-2011

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
STYLE DESIGNATOR A1 ANGLE
FLOW CONTROL DEVICE DISK OR POPPET
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END THREADED INTERNAL TUBE 3RD END
CONNECTION STYLE B45 FLARELESS 1ST END B45 FLARELESS 2ND END B4 GASKET SEAL 3RD END
SEAT ANGLE 45.0 DEGREES 1ST END 45.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.000 INCHES 3RD END
THREAD SERIES DESIGNATOR UNJ 1ST END UNJ 2ND END UNJ 3RD END
NOMINAL THREAD SIZE 1.312 INCHES 1ST END 1.312 INCHES 2ND END 1.312 INCHES 3RD END
THREAD QUANTITY PER INCH 12 1ST END 12 2ND END 12 3RD END
THREAD CLASS 3A 1ST END 3A 2ND END 3B 3RD END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END RIGHT-HAND 3RD END
MOUNTING POSITION VERTICAL

Restrictions/Controls & Freight Information | NSN 4820-01-305-2011

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
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 4820-01-305-2011

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