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 5905-00-959-2492
NSN 6685-01-222-7194
NSN 6105-01-174-8398
NSN 5935-01-585-2031
NSN 5985-01-216-7588
NSN 5930-00-163-7771
NSN 5930-01-383-6204
NSN 5998-01-019-4625
NSN 6650-01-494-9956
NSN 5960-01-391-3707
NSN 6650-00-774-1295
NSN 6135-01-142-6456