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 6645-00-032-5730
NSN 5998-01-474-5238
NSN 6610-00-922-6770
NSN 5910-01-185-3021
NSN 5905-01-032-8264
NSN 5935-01-043-3396
NSN 5975-01-511-6392
NSN 6645-01-207-5065
NSN 5920-00-584-4592
NSN 6150-01-408-5878
NSN 5975-01-206-0221
NSN 6620-01-194-8281