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.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5925-00-290-4451
NSN 6130-00-365-4572
NSN 6150-01-005-4773
NSN 5855-00-548-4742
NSN 5960-00-060-1397
NSN 6220-01-085-8199
NSN 5945-00-269-5375
NSN 5835-00-885-3818
NSN 6650-01-573-9287
NSN 5950-01-237-2573
NSN 6610-00-734-1427
NSN 5965-01-231-9125