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 5965-01-606-2633
NSN 5965-00-275-0491
NSN 6240-00-612-0883
NSN 5985-01-530-7888
NSN 5945-01-634-0588
NSN 5915-01-344-8176
NSN 5960-01-391-1308
NSN 2925-00-705-5180
NSN 5945-00-511-9589
NSN 5835-00-606-7042
NSN 2925-01-239-6044
NSN 7035-00-541-8516