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 5925-01-220-1916
NSN 6220-01-513-0060
NSN 4140-00-513-1089
NSN 6135-00-369-2368
NSN 6620-00-355-1734
NSN 5895-00-740-6233
NSN 5985-01-474-4409
NSN 5835-00-733-9145
NSN 5965-00-905-7561
NSN 6620-00-957-1352
NSN 6150-00-274-5571
NSN 5985-01-391-9329