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 5950-00-661-2612
NSN 5985-01-519-8900
NSN 5915-01-476-8178
NSN 5950-01-577-6420
NSN 6650-01-553-2805
NSN 5905-01-133-5575
NSN 5935-00-554-9244
NSN 6145-01-054-3297
NSN 6220-01-014-5351
NSN 6150-00-476-5519
NSN 5975-01-627-1832
NSN 6645-00-390-7657