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 5925-00-387-3956
NSN 6110-01-058-1747
NSN 4140-01-043-5089
NSN 5910-01-448-5734
NSN 6620-00-609-7213
NSN 5925-00-211-2467
NSN 5975-01-613-8314
NSN 6145-01-431-0627
NSN 5990-01-100-1840
NSN 6220-00-798-6831
NSN 6610-01-586-5221
NSN 5930-00-061-4926