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 6130-01-050-1838
NSN 5930-01-542-9182
NSN 5990-01-443-2931
NSN 5996-01-656-2461
NSN 6145-00-076-9324
NSN 6130-00-874-4578
NSN 5930-00-892-1668
NSN 5915-01-354-7548
NSN 5999-00-010-1768
NSN 5895-01-025-9295
NSN 6645-01-414-8806
NSN 6610-00-245-6177