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 5930-00-990-6781
NSN 6685-01-328-7139
NSN 6685-01-330-7330
NSN 5965-00-139-4870
NSN 5975-01-391-1113
NSN 5920-01-218-6191
NSN 5925-01-097-9960
NSN 5996-01-098-3487
NSN 5960-01-580-6360
NSN 6220-01-421-0352
NSN 5945-01-422-4565
NSN 5996-01-110-6533