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 6240-01-644-1531
NSN 6110-01-223-2458
NSN 5855-01-281-9700
NSN 6240-00-446-7796
NSN 5895-00-733-5748
NSN 6150-01-506-7863
NSN 6220-01-598-6900
NSN 5925-01-556-9643
NSN 6645-01-086-7668
NSN 6150-01-451-0455
NSN 6320-00-343-1798
NSN 6610-01-487-5629