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 5905-01-076-3633
NSN 5930-01-367-9916
NSN 4140-00-740-0357
NSN 7035-01-169-6551
NSN 5945-01-186-8072
NSN 5895-01-514-7241
NSN 5855-00-797-8217
NSN 5965-01-287-7235
NSN 5975-00-905-5194
NSN 5835-01-332-2867
NSN 5895-00-939-7479
NSN 5895-00-269-3848