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 6645-01-483-1331
NSN 5996-01-293-1300
NSN 5935-00-757-9689
NSN 6240-01-418-2606
NSN 5895-01-104-5508
NSN 7035-00-131-8219
NSN 6145-00-224-5245
NSN 6135-00-862-5736
NSN 5930-00-257-5758
NSN 5990-01-474-3477
NSN 5965-00-127-7010
NSN 5915-00-675-1344