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 6145-01-428-7754
NSN 5990-00-084-3776
NSN 5985-00-825-1815
NSN 6650-00-573-7131
NSN 6610-00-575-7933
NSN 5855-01-116-8905
NSN 5920-01-076-4705
NSN 5975-01-438-6478
NSN 5920-00-253-4227
NSN 5990-01-339-5118
NSN 5996-01-261-6758
NSN 6645-00-221-7071