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 5935-01-534-3274
NSN 5930-00-067-9607
NSN 6130-01-290-1969
NSN 6645-01-292-9778
NSN 5985-00-137-9068
NSN 5965-01-478-5291
NSN 5965-00-605-8239
NSN 6150-01-660-0606
NSN 6135-01-128-5358
NSN 6110-00-170-6520
NSN 6645-01-556-5263
NSN 5910-01-513-1462