Product Details | PISTON RING

2520-00-051-5315 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: 217510, 304019C1, 2520-00-051-5315, 00-051-5315, 2520000515315, 000515315

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 13 MAY 1967 00-051-5315

Drawings & Photos | NSN 2520-00-051-5315


Cross Reference | NSN 2520-00-051-5315

Part Number Cage Code Manufacturer
217510 12603 CLARK EQUIPMENT CO
217510 89749 CLARK MATERIAL HANDLING COMPANY
304019C1 31007 NAVISTAR INTL CORP
304019C1 89346 NAVISTAR INTL CORP TRUCK BR
304019C1 92679 NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION

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Technical Data | NSN 2520-00-051-5315

Characteristic Specifications
MATERIAL STEEL OVERALL
CROSS-SECTIONAL SHAPE STYLE A4 STRAIGHT FACE, BOTTOM RELIEF
JOINT STYLE 5 VERTICAL/DIAGONAL JOINT
RING STYLE 1 CONCENTRIC
RADIAL WALL THICKNESS 0.3120 INCHES NOMINAL
OVERALL WIDTH 0.0780 INCHES NOMINAL
STANDARD BORE DIAMETER 6.750 INCHES

Restrictions/Controls & Freight Information | NSN 2520-00-051-5315

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
No Freight Information