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 5996-01-329-3408
NSN 5985-01-368-6514
NSN 5985-00-811-7472
NSN 5975-01-290-2962
NSN 6685-01-227-3701
NSN 5920-01-413-5266
NSN 5925-01-347-3202
NSN 6650-01-328-8363
NSN 7035-00-417-2967
NSN 5960-01-025-9388
NSN 2925-01-497-1364
NSN 6645-01-643-0297