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 5975-01-490-6102
NSN 5925-01-641-1382
NSN 6650-01-465-5362
NSN 5975-01-230-0863
NSN 6145-01-115-2036
NSN 5996-01-288-5955
NSN 6650-01-159-0224
NSN 6645-01-326-7316
NSN 5910-01-218-3997
NSN 7035-01-499-4369
NSN 6240-00-087-6684
NSN 5915-00-240-7717