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 6135-01-391-6515
NSN 5960-01-573-6483
NSN 6150-00-925-1005
NSN 5855-01-125-4768
NSN 5905-01-360-4263
NSN 6135-01-483-5269
NSN 5998-01-454-4448
NSN 5950-00-696-2267
NSN 6145-00-470-1606
NSN 5965-00-402-5208
NSN 5990-00-644-3365
NSN 5950-01-436-1517