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 6145-01-598-4291
NSN 6135-01-411-3212
NSN 6645-01-613-7389
NSN 6320-00-070-4544
NSN 5950-01-025-9918
NSN 5925-01-643-7771
NSN 5905-00-935-8597
NSN 5935-01-443-5170
NSN 5975-01-008-2164
NSN 6610-01-471-0175
NSN 6220-01-076-5057
NSN 6135-00-078-9931