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 6610-01-536-1252
NSN 2925-01-201-3043
NSN 5925-00-327-9371
NSN 5910-00-731-7607
NSN 5905-00-525-3747
NSN 6145-00-919-4232
NSN 5999-00-125-4875
NSN 6620-01-057-2580
NSN 6620-01-414-4578
NSN 6645-00-073-9949
NSN 5950-00-895-0937
NSN 6130-00-991-9535