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 6145-01-446-5421
NSN 7035-00-142-9076
NSN 5960-01-017-0989
NSN 5925-01-209-9414
NSN 5990-01-017-0263
NSN 6240-00-737-2775
NSN 5910-00-581-9843
NSN 5930-00-892-1668
NSN 6135-00-299-6918
NSN 6645-00-411-3733
NSN 5920-01-027-8349
NSN 5975-00-644-4972