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 6645-01-056-1445
NSN 5920-00-497-1916
NSN 5935-01-146-5537
NSN 6150-01-310-9031
NSN 6105-00-740-7757
NSN 6135-01-351-2690
NSN 6610-00-361-6954
NSN 5996-01-642-5575
NSN 6110-01-003-9614
NSN 6220-01-580-2420
NSN 6145-00-643-4519
NSN 5915-01-568-2419