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 5996-00-621-0338
NSN 5990-01-201-1698
NSN 5960-01-444-2205
NSN 6110-01-408-5621
NSN 6645-00-987-7829
NSN 6645-00-009-4104
NSN 6620-00-270-3275
NSN 5990-01-233-4178
NSN 6105-00-216-5813
NSN 6150-01-459-7988
NSN 5930-01-343-6917
NSN 6220-01-519-2892