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 5895-01-519-6422
NSN 5835-00-415-6421
NSN 5905-01-418-6332
NSN 6620-01-460-2788
NSN 5925-01-151-1448
NSN 5905-00-287-5053
NSN 6650-00-922-3328
NSN 6240-00-316-3167
NSN 6105-01-537-6978
NSN 6220-00-719-5875
NSN 5910-01-555-7751
NSN 5950-00-770-3716