Product Details | CHECK VALVE

4820-01-220-1957 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: 5271901615A, 5271-9016-15A, 4820-01-220-1957, 01-220-1957, 4820012201957, 012201957

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 NOV 1985 01-220-1957

Drawings & Photos | NSN 4820-01-220-1957


Demand History | NSN 4820-01-220-1957

Part Number Request Date QTY Origin
4820-01-220-1957 2016-03-90 1 DIBBS
4820-01-220-1957 2012-12-352 10 DIBBS
4820-01-220-1957 2012-08-243 10 DIBBS
4820-01-220-1957 2011-09-245 10 DIBBS

Cross Reference | NSN 4820-01-220-1957

Part Number Cage Code Manufacturer
5271-9016-15A 11661 NEWDELL COMPANY, THE DBA LADISH VALVES
5271-9016-15A 4FF31 LADISH VALVES

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Technical Data | NSN 4820-01-220-1957

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
STYLE DESIGNATOR A2 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 500.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B20B SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 1.500 INCHES ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
SPECIAL FEATURES SWING CHECK

Restrictions/Controls & Freight Information | NSN 4820-01-220-1957

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.
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code Z Shipment is not a consolidation, but does exceed 72 inches in one or more dimensions.
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 4820-01-220-1957

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