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 5925-00-232-3256
NSN 5855-01-583-3214
NSN 6645-01-263-5481
NSN 6685-00-758-4229
NSN 6145-01-499-2470
NSN 6135-01-534-0310
NSN 6220-01-275-9688
NSN 5905-01-128-8152
NSN 5835-01-214-5402
NSN 5835-00-315-3797
NSN 6685-00-557-0760
NSN 6685-01-391-2611