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 2925-00-724-9252
NSN 6320-01-462-3555
NSN 6645-01-390-3442
NSN 6240-00-006-3725
NSN 6130-00-738-7290
NSN 5855-00-433-2377
NSN 5960-00-140-9583
NSN 5960-00-108-0250
NSN 6110-01-025-1286
NSN 5965-01-447-2992
NSN 5925-01-025-0322
NSN 5990-00-232-3965