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 5950-00-876-8577
NSN 6135-01-245-5876
NSN 5990-01-400-3299
NSN 6645-01-360-0293
NSN 6105-00-122-6566
NSN 6620-01-250-7445
NSN 6150-01-009-4036
NSN 6220-00-327-8775
NSN 6110-01-439-7313
NSN 6610-01-067-4359
NSN 6150-00-672-2880
NSN 5998-01-398-7523