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 6685-01-242-2187
NSN 6240-01-411-1418
NSN 6145-01-407-0289
NSN 6620-00-613-3023
NSN 5920-00-581-4144
NSN 5925-01-074-8589
NSN 5975-00-653-9167
NSN 5999-01-441-9308
NSN 6105-00-867-1307
NSN 5996-01-127-3381
NSN 5965-00-501-4867
NSN 7035-01-481-8247