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 5835-01-656-0261
NSN 5950-00-910-9940
NSN 5998-00-409-8452
NSN 5925-00-987-8217
NSN 5998-00-333-7340
NSN 6105-01-474-2696
NSN 6130-01-281-7268
NSN 6650-01-204-7841
NSN 5975-00-835-2213
NSN 5998-00-630-9384
NSN 5855-00-629-5343
NSN 6645-01-447-4461