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 5925-00-823-6138
NSN 6620-00-309-6679
NSN 2925-00-495-8130
NSN 5945-01-277-2951
NSN 5965-00-088-1722
NSN 6130-01-417-4319
NSN 6130-01-444-1788
NSN 5925-00-360-2399
NSN 5960-01-448-3497
NSN 5960-01-322-8417
NSN 6135-00-840-6451
NSN 5920-01-474-5404