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 6110-01-033-1153
NSN 5920-01-438-2670
NSN 6685-00-520-1930
NSN 5930-01-396-2945
NSN 5975-01-086-3423
NSN 6645-01-245-8390
NSN 5915-01-079-3079
NSN 5855-00-361-0167
NSN 6620-01-352-5640
NSN 6240-01-177-9361
NSN 5999-01-226-8332
NSN 5905-00-140-4707