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 5855-01-533-3888
NSN 5925-01-578-6869
NSN 5930-01-468-6206
NSN 5905-00-919-3309
NSN 5935-01-476-8318
NSN 6135-01-168-2944
NSN 6645-01-356-3105
NSN 5920-01-339-3977
NSN 6650-00-187-5388
NSN 5925-01-481-6881
NSN 6105-00-435-7566
NSN 5905-01-564-5461