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 6150-01-242-0338
NSN 5990-01-335-7948
NSN 5895-01-006-4838
NSN 5915-01-551-0745
NSN 5996-01-443-6599
NSN 5950-01-190-5322
NSN 2925-00-941-9245
NSN 5930-00-413-5143
NSN 5960-01-196-9203
NSN 5985-01-548-8885
NSN 5905-00-354-9408
NSN 6685-01-201-6879