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 4140-00-885-5958
NSN 5915-01-391-8810
NSN 5910-00-468-2748
NSN 5905-00-012-5347
NSN 5985-01-338-8397
NSN 5915-01-581-7457
NSN 5855-00-221-9435
NSN 5935-00-446-8811
NSN 5985-01-297-0746
NSN 2925-00-439-0916
NSN 5990-00-552-9365
NSN 5975-01-236-3354