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 6645-01-274-0731
NSN 6110-01-500-7226
NSN 5996-01-445-7284
NSN 5905-01-247-5767
NSN 5945-01-517-0534
NSN 5975-00-109-5370
NSN 6145-00-228-2207
NSN 5920-00-956-4980
NSN 6150-00-814-5905
NSN 4140-01-073-9368
NSN 6685-00-110-5525
NSN 5895-00-280-7528