Product Details | PISTON RING

4820-01-146-8833 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.20628050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components28250029Steam Turbines and Components30400042Miscellaneous Power Transmission Equipment43100028Compressors and Vacuum Pumps

Part Alternates: 971977015888, 971977-015-888, 97197715888, 971977-15-888, 4820-01-146-8833, 01-146-8833, 4820011468833, 011468833

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 FEB 1983 01-146-8833

Drawings & Photos | NSN 4820-01-146-8833


Demand History | NSN 4820-01-146-8833

Part Number Request Date QTY Origin
4820-01-146-8833 2017-11-317 7 DIBBS
4820-01-146-8833 2017-10-303 7 DIBBS
4820-01-146-8833 2017-02-52 2 DIBBS
4820-01-146-8833 2015-04-99 3 DIBBS
4820-01-146-8833 2014-01-04 10 DIBBS
4820-01-146-8833 2013-12-342 10 DIBBS
4820-01-146-8833 2013-06-174 1 DIBBS

Cross Reference | NSN 4820-01-146-8833

Part Number Cage Code Manufacturer
971977-015-888 38683 DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS
971977-15-888 38683 DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS

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Technical Data | NSN 4820-01-146-8833

Characteristic Specifications
MATERIAL STEEL EXPANDER PLASTIC OUTSIDE PERIPHERY
CROSS-SECTIONAL SHAPE STYLE A95 PLAIN RECTANGULAR, STRAIGHT FACE, W/EXPANDER
JOINT STYLE 3 STEP JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.1200 INCHES NOMINAL
OVERALL WIDTH 0.1220 INCHES NOMINAL
STANDARD BORE DIAMETER 1.688 INCHES
FEATURES PROVIDED NONSCORING

Restrictions/Controls & Freight Information | NSN 4820-01-146-8833

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 126700 PISTON RINGS,IRON
Less than car load rating P 77.5
Less than truck load rating M 85.0
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4820-01-146-8833

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