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 5925-01-597-8818
NSN 4140-01-364-9797
NSN 6130-01-390-1815
NSN 5945-00-796-0210
NSN 6135-01-190-2628
NSN 6110-01-244-4986
NSN 5920-00-224-5540
NSN 5975-01-653-0481
NSN 5910-01-267-9731
NSN 6240-01-465-7712
NSN 5945-01-461-8143
NSN 7035-01-106-3476