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 2925-00-233-5644
NSN 5925-00-081-9135
NSN 5990-01-443-2931
NSN 6145-01-627-1611
NSN 6130-01-383-7053
NSN 6110-01-545-1839
NSN 5965-01-421-9593
NSN 6150-01-068-7511
NSN 5975-00-177-2957
NSN 5905-00-803-6906
NSN 5935-00-145-7534
NSN 5985-01-270-6072