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 6645-00-484-1992
NSN 5950-01-343-2869
NSN 6610-00-929-0225
NSN 5965-01-615-0114
NSN 6135-01-100-3593
NSN 6610-01-437-0961
NSN 6320-00-583-3105
NSN 5930-00-213-6349
NSN 5945-00-233-7426
NSN 5925-01-555-5318
NSN 2925-00-871-3460
NSN 5945-00-461-2547