Product Details | STOP-CHECK VALVE

4820-01-554-0937 A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 8032177525, 803-2177525 , 8032177525C733, 803-2177525-C733 , 8032177525C7C3AF, 803-2177525-C7C3AF, 4820-01-554-0937, 01-554-0937, 4820015540937, 015540937

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 JUL 2007 01-554-0937

Drawings & Photos | NSN 4820-01-554-0937


Cross Reference | NSN 4820-01-554-0937

Part Number Cage Code Manufacturer
803-2177525-C7C3AF 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-554-0937

Characteristic Specifications
MATERIAL STEEL BODY STEEL COMP 420 FLOW CONTROL DEVICE STEEL COMP 316 STEM
STYLE DESIGNATOR A2A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 1.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE BUTT WELD PIPE ALL ENDS
FURNISHED ITEMS AND QUANTITY 1 HANDWHEEL
SPECIAL FEATURES END CONNECTIONS: BUTT WELD IAW SCHEDULE 80
PART NAME ASSIGNED BY CONTROLLING AGENCY IN-LINE STOP-CHECK VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-554-0937

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: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 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 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 4820-01-554-0937

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