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 6110-00-232-5406
NSN 5855-01-085-5354
NSN 5960-01-353-3302
NSN 6105-01-225-4099
NSN 6685-00-019-9061
NSN 6610-01-440-4314
NSN 6620-00-451-8783
NSN 6685-01-534-2572
NSN 6105-01-424-7570
NSN 2925-01-463-8856
NSN 5935-01-558-5149
NSN 5996-01-501-8729