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 6105-01-373-3429
NSN 5945-00-323-5860
NSN 5920-01-260-7531
NSN 7035-01-085-5955
NSN 6220-01-421-6917
NSN 5915-01-425-0257
NSN 6220-00-819-9325
NSN 5999-01-128-4553
NSN 6135-00-686-4777
NSN 6105-01-463-8557
NSN 5895-01-200-7150
NSN 6645-01-539-5922