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 5925-01-606-1593
NSN 6645-01-004-7768
NSN 5925-01-139-3866
NSN 6150-01-364-5550
NSN 6145-01-196-6779
NSN 6620-01-282-6446
NSN 6105-00-669-6462
NSN 5920-01-318-6649
NSN 5910-00-133-5353
NSN 5960-01-399-4327
NSN 4140-01-212-8286
NSN 6220-01-442-5699