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 6240-01-528-1585
NSN 5930-00-280-2562
NSN 7035-01-118-4486
NSN 6150-01-439-8678
NSN 5935-00-027-0245
NSN 6620-00-417-6285
NSN 5975-01-502-5531
NSN 6685-01-660-6313
NSN 5965-01-646-2840
NSN 6240-01-529-5179
NSN 5935-01-535-5636
NSN 5855-01-180-5369