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 5920-01-326-7806
NSN 5945-00-936-3939
NSN 6650-01-146-5000
NSN 5920-00-847-6370
NSN 6685-01-089-7403
NSN 6645-01-045-4088
NSN 5930-00-695-8464
NSN 5965-00-236-0016
NSN 5905-01-598-1739
NSN 6610-01-327-3187
NSN 6105-01-188-0390
NSN 5835-01-355-3654