Product Details | CHECK VALVE

4820-00-902-4500 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: SS50833L8C, SS50-833L8C, 265896, 4820-00-902-4500, 00-902-4500, 4820009024500, 009024500

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1960 00-902-4500

Drawings & Photos | NSN 4820-00-902-4500


Demand History | NSN 4820-00-902-4500

Part Number Request Date QTY Origin
4820-00-902-4500 2011-08-234 3 United States

Cross Reference | NSN 4820-00-902-4500

Part Number Cage Code Manufacturer
265896 99240 CRISSAIR, INC.
SS50-833L8C 78286 SIKORSKY AIRCRAFT CORPORATION
SS50-833L8C 92003 PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS

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Technical Data | NSN 4820-00-902-4500

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 BODY STEEL COMP 440C OR STEEL COMP 416 OR STEEL COMP 630 FLOW CONTROL DEVICE STEEL CORROSION RESISTING OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 321 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION 11-S-763,CLASS302 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764,TYPE303 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-763,CLASS 304 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763,CLASS 316 FED SPEC 4TH MATERIAL RESPONSE OR 11-S-763,CLASS321 FED SPEC 5TH MATERIAL RESPONSE BODY QQ-S-763, CLASS 440C FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764, TYPE 416 FED SPEC 2ND MATERIAL RESPONSE OR AMS 5643 FED SPEC 3RD MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-S-763, TYPE 303 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763, CLASS 304 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-763, CLASS 321 FED SPEC 3RD MATERIAL RESPONSE SEAT
SURFACE TREATMENT PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION SS-8435,UNITED AIRCRAFT CORP,SIKORSKY AIRCRAFT DIV MFR REF SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B42 FLARED ALL ENDS
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES BULKHEAD THD 3/4 IN.-16 THD SIZE,0.358 IN. MIN,0.425 IN. MAX THD LG ON OUTLET FLOW END CONNECTION
SPECIFICATION/STANDARD DATA 78286-SS50-833L8C MANUFACTURERS SPECIFICATION

Restrictions/Controls & Freight Information | NSN 4820-00-902-4500

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-00-902-4500

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
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 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