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 4140-01-031-0286
NSN 6145-01-620-3500
NSN 5925-01-408-2652
NSN 5835-00-902-8680
NSN 5905-01-361-7039
NSN 6645-00-067-7070
NSN 7035-01-118-4486
NSN 5990-00-862-3271
NSN 6610-00-717-6666
NSN 5975-01-255-0081
NSN 6610-01-617-6495
NSN 6135-01-127-0173