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 5950-01-516-3258
NSN 5965-01-514-7231
NSN 5975-01-239-9875
NSN 6135-01-458-7476
NSN 6650-00-925-1122
NSN 6145-00-409-6844
NSN 5998-00-801-7925
NSN 6150-00-079-3042
NSN 4140-00-999-2577
NSN 6150-00-366-4113
NSN 5990-01-517-7848
NSN 5915-00-336-1644