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 5965-01-463-2815
NSN 6320-00-646-3311
NSN 5910-00-254-8169
NSN 5935-01-061-9281
NSN 6645-01-371-1632
NSN 6650-01-565-1471
NSN 5920-00-451-0463
NSN 6105-01-347-0070
NSN 5895-01-045-3201
NSN 5925-00-038-6147
NSN 2925-00-139-3231
NSN 5950-00-574-5562