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 6145-01-444-1668
NSN 5960-01-375-6815
NSN 6610-00-726-6076
NSN 6685-01-410-7583
NSN 5935-01-081-6924
NSN 5930-00-816-9780
NSN 7035-01-359-6108
NSN 5965-00-777-7037
NSN 5905-01-501-2518
NSN 6645-01-521-5637
NSN 5998-01-201-7385
NSN 5950-00-434-4468