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 5905-01-393-6502
NSN 2925-00-127-3828
NSN 6110-01-155-4048
NSN 5930-01-024-9456
NSN 5855-01-286-2916
NSN 5965-01-536-0016
NSN 5905-00-065-5762
NSN 5855-01-027-1571
NSN 5950-01-585-8855
NSN 5945-01-578-0924
NSN 6135-00-223-9563
NSN 6610-00-419-0315