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 6650-01-100-3185
NSN 6620-01-383-1997
NSN 5920-01-416-4274
NSN 5925-00-983-8594
NSN 6110-01-506-6455
NSN 6220-01-304-7500
NSN 5998-01-354-2878
NSN 2925-00-801-8456
NSN 6645-01-316-4900
NSN 5996-01-641-8935
NSN 5996-00-230-5550
NSN 5855-01-392-3734