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 7035-01-026-0117
NSN 6110-00-775-6413
NSN 5905-00-998-5650
NSN 6320-01-322-8340
NSN 6145-00-825-4701
NSN 6685-01-594-3024
NSN 6240-00-068-5543
NSN 6135-01-230-4399
NSN 5855-00-288-1408
NSN 5895-00-079-3667
NSN 5925-01-113-6827
NSN 5910-01-468-5571