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 6130-01-551-1185
NSN 5935-00-485-4220
NSN 5925-01-252-3914
NSN 6110-01-647-0946
NSN 5910-00-804-4651
NSN 6685-01-147-0960
NSN 7035-00-978-7837
NSN 5998-00-956-3464
NSN 5965-01-366-5900
NSN 6220-01-600-0257
NSN 5960-00-553-7338
NSN 5985-00-233-6740