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 6645-01-421-2445
NSN 5985-01-360-2894
NSN 5930-00-161-5101
NSN 6145-01-451-9580
NSN 6610-01-413-3095
NSN 5985-00-339-2318
NSN 5990-01-604-0862
NSN 6135-01-216-7170
NSN 5990-00-052-3143
NSN 6105-01-507-7754
NSN 5960-01-142-1995
NSN 5925-01-534-7749