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 6110-01-606-4271
NSN 6110-01-170-8833
NSN 6110-01-323-5273
NSN 6645-01-441-0937
NSN 5935-00-060-3912
NSN 5999-01-094-9766
NSN 6650-01-063-7714
NSN 6620-01-417-3314
NSN 5965-00-275-0491
NSN 2925-00-391-0331
NSN 4140-01-475-6839
NSN 5855-01-648-2674