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 6620-01-627-0478
NSN 5996-01-236-5286
NSN 5950-01-408-0020
NSN 6130-01-407-3772
NSN 6645-00-652-6723
NSN 5996-00-759-8173
NSN 6130-01-324-8706
NSN 5945-00-007-3933
NSN 6610-01-122-0064
NSN 6320-01-648-5538
NSN 6610-01-333-2381
NSN 5895-01-461-8287