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 6645-01-232-4843
NSN 5905-00-568-7835
NSN 5985-01-307-6041
NSN 5920-00-206-3595
NSN 5930-01-025-5540
NSN 5985-01-497-3345
NSN 6685-00-186-0190
NSN 6620-00-912-9623
NSN 5895-00-675-4374
NSN 5835-00-725-2087
NSN 5965-01-258-8735
NSN 5920-00-078-8660