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 6135-00-351-8606
NSN 5920-00-257-2950
NSN 6135-00-242-9531
NSN 6645-00-462-0097
NSN 6145-01-298-8914
NSN 2925-00-411-0600
NSN 5920-00-406-2712
NSN 5965-00-884-2344
NSN 6145-01-649-0650
NSN 6240-01-415-3014
NSN 6220-01-492-7046
NSN 6685-01-497-6193