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 5920-01-074-4333
NSN 6685-01-420-6480
NSN 6110-00-472-4770
NSN 5990-00-850-6603
NSN 6220-01-181-5854
NSN 5985-01-072-9442
NSN 6645-00-951-0687
NSN 6610-01-154-7949
NSN 6320-00-539-9283
NSN 6650-01-479-5386
NSN 5990-00-232-3965
NSN 5855-01-656-6808