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 5999-01-453-6636
NSN 6320-00-242-3300
NSN 5925-00-061-4346
NSN 6620-01-541-1561
NSN 5960-01-304-7178
NSN 5925-01-249-0912
NSN 6105-01-399-0695
NSN 5905-01-608-2878
NSN 5990-00-953-9916
NSN 2925-00-567-7172
NSN 5895-00-157-8232
NSN 5925-01-525-1853