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 6240-01-265-0960
NSN 5935-01-073-4992
NSN 5925-00-938-3447
NSN 2925-01-121-0761
NSN 6320-00-194-4252
NSN 6220-00-559-3555
NSN 5910-01-551-5381
NSN 6130-00-174-5718
NSN 5965-00-368-8204
NSN 6145-01-213-0754
NSN 5960-01-449-1310
NSN 6645-00-487-8044