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 5950-01-451-2617
NSN 5975-00-318-1637
NSN 5990-01-442-3520
NSN 6685-01-400-4190
NSN 5965-00-995-6636
NSN 5835-00-059-5854
NSN 6105-00-468-6323
NSN 5930-01-569-4623
NSN 6610-00-681-0590
NSN 6145-01-578-7980
NSN 5965-01-497-2723
NSN 6150-01-152-1073