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 2925-01-337-2508
NSN 4140-00-905-6039
NSN 6145-01-184-2795
NSN 5950-01-554-4178
NSN 5835-01-024-9249
NSN 6220-01-194-7274
NSN 6135-00-803-3012
NSN 5960-01-423-1085
NSN 6685-01-406-2919
NSN 5965-00-499-8229
NSN 6135-01-295-8315
NSN 5950-00-254-5905