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 5925-01-468-3322
NSN 6685-01-136-7775
NSN 6645-00-102-0015
NSN 7035-01-106-3476
NSN 6650-01-483-0938
NSN 6645-01-259-7142
NSN 6645-01-206-4888
NSN 5960-00-219-6148
NSN 5985-01-385-5576
NSN 7035-01-369-1445
NSN 6135-00-334-4500
NSN 5925-01-519-2295