Product Details | CHECK VALVE

4820-00-053-4495 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: 123SCEC1703, 123SCEC170-3, 2613003701, 26130037-01, 4820-00-053-4495, 00-053-4495, 4820000534495, 000534495

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-053-4495

Drawings & Photos | NSN 4820-00-053-4495


Demand History | NSN 4820-00-053-4495

Part Number Request Date QTY Origin
26130037-01 2022-09-257 0
4820-00-053-4495 2022-09-256 0 NECO
26130037-01 2014-02-53 2
4820-00-053-4495 2014-02-52 2 NECO

Cross Reference | NSN 4820-00-053-4495

Part Number Cage Code Manufacturer
123SCEC170-3 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
26130037-01 45153 HAMILTON SUNDSTRAND CORPORATION DBA HAMILTON SUNDSTRAND POWER SYTEMS
26130037-01 99167 HAMILTON SUNDSTRAND CORPORATION

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Technical Data | NSN 4820-00-053-4495

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE B42 FLARED 1ST END
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.000 INCHES 1ST END
THREAD SERIES DESIGNATOR UN 1ST END
NOMINAL THREAD SIZE 1.312 INCHES 1ST END
THREAD QUANTITY PER INCH 12 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL
MANUFACTURERS CODE 45153
DESIGN CONTROL REFERENCE 26130037-01

Restrictions/Controls & Freight Information | NSN 4820-00-053-4495

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.
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 XX
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 4820-00-053-4495

Category Code Description
Cognizance Codes7RAeronautical Depot Level Repairable Spares
Naval Inventory Control Point, Philadelphia
Special Material IDBESPECIAL ELECTRONICAIRCRAFT(E2/C2)
Issue Repair, or RequisitionARRepairable item subject to centrally managed rework program at designated sites. Mandatory turn-in of item required except when initial issue or replacement of surveyed item is involved.
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
Acquisition Advice CodesCSERVICE/AGENCY-MANAGED (Service/Agency use only.) # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by individual Services supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative