Product Details | STOP AND STOP CHECK VALVE

4820-01-197-4974 A combination of two valves, one a stop valve, the other a stop check valve, either in the same body, or in separate bodies bolted together, used to control the admission of feed water to a boiler, to prevent the return of water or steam from the boiler, and to provide a means of shutting off the feed line between the stop check valve and the steam drum or economizer.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: A102085P02TS, A10-2085P-02TS, A102085P02TSL1, A10-2085P-02TSL1, A841102, A841102L1, SS845-1889550ASSYASC3.00IN, SS845-1889550ASSYASC3.00INL1, SS8451889550ASSYASC300IN, SS8451889550ASSYASC300INL1, 2620-922X1ASSYASC3.00IN, 2620-922X1ASSYASC3.00INL1, 2620922X1ASSYASC300IN, 2620922X1ASSYASC300INL1, 2621-922-01 ASSYIRC, 2621-922-01 ASSYIRCL1, 262192201ASSYIRC, 262192201ASSYIRCL1, 4820-01-197-4974, 01-197-4974, 4820011974974, 011974974

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 DEC 1984 01-197-4974

Cross Reference | NSN 4820-01-197-4974

Part Number Cage Code Manufacturer
2620-922X1ASSYASC3.00IN 96169 ELECTRIC BOAT CORPORATION
2620-922X1ASSYASC3.00INL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2621-922-01 ASSYIRC 63686 THE WALWORTH COMPANY
2621-922-01 ASSYIRCL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
A10-2085P-02TS 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
A10-2085P-02TSL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
A841102 06546 BEE LINE COMPANY
A841102 06547 BEE LINE COMPANY
A841102L1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-1889550ASSYASC3.00IN 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-1889550ASSYASC3.00INL1 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-197-4974

Characteristic Specifications
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 06546
DESIGN CONTROL REFERENCE A841102

Restrictions/Controls & Freight Information | NSN 4820-01-197-4974

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-197-4974

Category Code Description
Cognizance Codes3HNAVICP MECH managed Field Level Repairables
Naval Inventory Control Point, Mechanicsburg
Special Material IDL1An items that supports either a SUBSAFE or Level 1 system that has undergone the extreme material control and quality assurance techniques that provide objective exidence of its acceptance for its appropriate application. Each item has certification papers (or special markings that provide traceability to the certification) that pedigree its material and physical properties, provide traceability, to manufacturer, contract list and lot, and document the quality assurance system and test requirements applied to the item.
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 OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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