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 5950-01-246-2835
NSN 5998-01-386-2122
NSN 5975-01-271-9027
NSN 6220-01-573-8784
NSN 6150-00-613-3076
NSN 5950-01-474-5576
NSN 7035-00-929-0363
NSN 6650-00-292-3907
NSN 6240-01-481-8846
NSN 6105-00-090-9495
NSN 6110-00-376-1625
NSN 6645-01-354-3362