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 5960-00-928-8365
NSN 4140-01-625-0441
NSN 6110-01-579-7805
NSN 5930-01-278-9224
NSN 5855-01-372-9728
NSN 5895-00-031-3591
NSN 5975-00-995-5697
NSN 4140-01-296-4687
NSN 2925-01-483-4598
NSN 5895-00-372-3035
NSN 5910-01-656-9473
NSN 6685-01-095-2966