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 5960-01-142-1995
NSN 5945-01-604-3822
NSN 5835-01-125-6676
NSN 6650-01-492-7809
NSN 5835-00-632-8621
NSN 6135-01-659-3426
NSN 5895-01-100-7938
NSN 6110-01-027-1851
NSN 4140-00-904-3438
NSN 5965-01-585-0904
NSN 4140-01-512-0744
NSN 6685-01-008-2838