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 5835-01-319-4636
NSN 5895-01-106-7330
NSN 5895-00-915-5246
NSN 5855-00-885-8452
NSN 6685-01-302-4242
NSN 6220-00-991-8280
NSN 6220-01-166-4909
NSN 5905-01-541-4705
NSN 5945-01-004-8591
NSN 6645-01-154-3080
NSN 6620-00-389-8442
NSN 6685-01-166-1119