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 5999-00-978-2569
NSN 6685-01-296-0857
NSN 5975-01-503-3412
NSN 5925-00-170-4090
NSN 6145-00-952-7486
NSN 6220-00-222-5663
NSN 5985-01-227-4812
NSN 5945-01-555-8373
NSN 6645-00-754-4108
NSN 5855-01-562-2005
NSN 6145-00-661-0192
NSN 6110-00-316-5450