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 5855-01-325-9507
NSN 6145-01-453-6700
NSN 6145-01-401-3713
NSN 6645-00-221-7071
NSN 5920-01-367-9281
NSN 6645-01-457-7565
NSN 6130-01-295-2076
NSN 5930-01-455-9217
NSN 5905-01-498-4607
NSN 4140-01-223-7624
NSN 5915-00-918-8636
NSN 5930-00-073-0390