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 6620-00-203-9466
NSN 6110-01-498-4092
NSN 6135-00-577-8429
NSN 5960-01-512-0233
NSN 5915-01-533-6267
NSN 6220-00-767-5080
NSN 6130-00-603-0930
NSN 5925-00-910-0033
NSN 5910-01-139-5085
NSN 2925-00-580-4931
NSN 5915-01-326-0854
NSN 5985-00-392-3426