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 5985-01-100-1206
NSN 5905-00-378-0338
NSN 5855-01-302-9778
NSN 5975-00-763-5437
NSN 5895-01-407-2627
NSN 6145-01-018-6539
NSN 6610-01-512-8154
NSN 6150-01-415-0912
NSN 6610-01-227-7221
NSN 6150-01-204-4165
NSN 4140-01-444-3945
NSN 6105-01-415-3314