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 5950-00-050-5034
NSN 5965-01-064-2107
NSN 6130-01-535-4335
NSN 6130-01-275-7116
NSN 6135-01-122-4448
NSN 6220-01-193-1117
NSN 6610-00-127-0849
NSN 5925-00-269-2685
NSN 6135-00-801-0587
NSN 6110-01-411-1403
NSN 5925-00-983-0214
NSN 6145-01-524-6181