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 6110-01-328-0646
NSN 5945-01-449-7909
NSN 6650-01-376-6965
NSN 6130-01-068-4002
NSN 5930-00-554-1064
NSN 5920-01-483-1537
NSN 6645-00-901-9281
NSN 6150-01-251-7411
NSN 6135-01-398-5922
NSN 5895-01-329-1392
NSN 6650-01-622-0706
NSN 5905-01-442-6134