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 6650-01-501-7061
NSN 5905-01-432-4226
NSN 6150-00-239-9253
NSN 5855-01-325-3380
NSN 6145-01-207-3815
NSN 6610-01-452-5180
NSN 5960-01-536-9763
NSN 6220-01-106-7845
NSN 5925-00-991-8722
NSN 5975-01-143-3178
NSN 6150-00-285-2082
NSN 6645-00-955-7997