Product Details | PISTON RING

2520-00-288-2688 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: 8333717, 8617006, 2520-00-288-2688, 00-288-2688, 2520002882688, 002882688

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1963 00-288-2688

Drawings & Photos | NSN 2520-00-288-2688


Cross Reference | NSN 2520-00-288-2688

Part Number Cage Code Manufacturer
8333717 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
8617006 24617 GENERAL MOTORS CORP
8617006 72590 HYDRAMATIC DIV OF GENERAL MOTORS CORP

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Technical Data | NSN 2520-00-288-2688

Characteristic Specifications
MATERIAL IRON OVERALL
SURFACE TREATMENT ANY ACCEPTABLE OVERALL
CROSS-SECTIONAL SHAPE STYLE A14 CONVEX FACE
JOINT STYLE 1 VERTICAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.1500 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM
OVERALL WIDTH 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM
STANDARD BORE DIAMETER 5.1250 INCHES
BORE DIAMETER OVERSIZE 5.1265 INCHES

Restrictions/Controls & Freight Information | NSN 2520-00-288-2688

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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 126700 PISTON RINGS,IRON
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 885 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 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 Y Protected cargo, other than above, including sensitive cargo requiring hand-to-hand receipt and/or security precautions.
Special Handling Code 5 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable