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 6645-01-063-0714
NSN 5855-01-308-0955
NSN 5945-01-395-3021
NSN 5925-01-134-6208
NSN 6220-00-633-3296
NSN 6135-01-202-8113
NSN 5985-01-312-2175
NSN 5855-00-494-9581
NSN 5975-00-810-8782
NSN 6150-01-569-2194
NSN 5965-01-648-8042
NSN 6135-01-271-7151