A cylindrical metallic item for use with piping, designed to back up the flared end and provide a bearing surface for the nut or outer sleeve of a pipe coupling. See sleeve, flared (as modified).
NSN 5990-00-916-1419
NSN 5910-01-199-5376
NSN 5950-01-124-8361
NSN 5915-01-419-2843
NSN 2925-01-442-4171
NSN 6105-01-496-7948
NSN 5998-01-501-3592
NSN 6610-01-108-2241
NSN 5910-01-436-3852
NSN 6220-00-293-5368
NSN 6685-01-055-5919
NSN 5920-01-414-2393