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 5930-00-005-3243
NSN 5998-00-518-7121
NSN 5999-00-081-9413
NSN 5990-01-089-9694
NSN 5905-01-286-1196
NSN 6220-00-252-0702
NSN 5925-01-512-1651
NSN 5965-00-942-1602
NSN 6685-01-556-0619
NSN 5855-01-600-4130
NSN 5935-01-421-1290
NSN 6620-01-181-0303