Detroit Diesel 5198193 Piston, Internal Combustion Engine

Detroit Diesel 5198193 is a piston in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Detroit Diesel 5198193 as the maker's own number under government stock item NSN 2815-00-725-2286. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 2815-00-725-2286, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Piston, Internal Combustion Engine

Government stock item (NSN)

2815-00-725-2286

Manufacturer code (CAGE)

72582, ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC, NOVI, MI, UNITED STATES
Detroit Diesel part numbering. This manufacturer code is now held by Rolls-Royce Solutions America.

Furnished items

Oil groove and pin hole bushing

Overall height

6.016 in (nominal)

Diameter

4.235 in (nominal)

Oil passage type

Hole

Pinhole diameter

1.4950 in (nominal)

Surface finish

Finished

Finished size designation

Standard

Skirt type

Solid

Ring groove quantity

6

Ring groove width

• Fifth ring: 0.1820 in (nominal)
• First ring: 0.0920 in (nominal)
• Fourth ring: 0.1350 in (nominal)
• Second ring: 0.1350 in (nominal)
• Sixth ring: 0.1820 in (nominal)
• Third ring: 0.1350 in (nominal)

Ring groove diameter

3.817 in (nominal)

Ring groove position below piston pin

Number,number 2,number 3,number 4,number 5,and number 6 all rings

Distance from pin hole center to extreme top

3.512 in (nominal)

Distance between pin bosses

1.875 in (nominal)

Pin type for which designed

Floating

Material

Steel

Ring groove position and quantity

R,number 2,number 3,number 4,number 5,and number 6

Surface treatment

Zinc

Weight

112.0 oz

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

About this kind of part (general, written by SearchForPart)

Moves in the cylinder and passes combustion force to the connecting rod. Replaced in a rebuild or after scoring, cracking or overheating. Check bore size, compression height and the engine rating.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

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Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.