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 7035-01-565-7679
NSN 5925-01-419-6216
NSN 5990-00-087-1268
NSN 5975-01-389-2026
NSN 6320-01-054-3046
NSN 2925-01-443-4216
NSN 5996-01-321-0345
NSN 5975-00-966-4323
NSN 5855-00-916-2236
NSN 6135-00-223-9563
NSN 6320-01-322-4128
NSN 2925-01-221-3247