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 5915-00-005-4263
NSN 7035-01-411-6062
NSN 6645-01-271-0248
NSN 6650-01-101-9023
NSN 6105-01-296-3778
NSN 5905-00-553-9985
NSN 4140-01-085-7810
NSN 5996-00-876-0879
NSN 5835-00-816-0394
NSN 6130-01-200-8212
NSN 5910-01-259-0411
NSN 5965-00-313-9049