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 5895-01-406-7377
NSN 7035-01-633-5114
NSN 4140-01-142-3192
NSN 5950-01-058-3573
NSN 5998-00-828-4059
NSN 6145-00-754-8372
NSN 5835-01-135-2601
NSN 5855-00-973-5717
NSN 6685-01-021-0362
NSN 5910-01-515-2562
NSN 5996-01-284-3572
NSN 6620-01-229-7381