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 5985-01-519-2473
NSN 5905-01-152-2580
NSN 7035-00-076-4097
NSN 5950-00-838-9226
NSN 5975-00-701-8061
NSN 5930-01-033-6506
NSN 6620-01-147-5486
NSN 7035-01-656-1901
NSN 5996-01-333-9512
NSN 6645-00-176-0223
NSN 5905-00-248-6461
NSN 4140-01-420-3414