Series of twelve tubes held together with threaded rods; includes a bearing plate that is positional on top of the tubes which receive and locate the bearings; abutment is located at each corner of the bridge under the bearings
NSN 6610-00-430-5208
NSN 5990-00-822-5451
NSN 5975-01-056-3535
NSN 5990-01-071-1505
NSN 6320-00-977-3930
NSN 6620-01-240-3361
NSN 6650-01-223-0852
NSN 6620-01-265-0632
NSN 6130-00-187-0211
NSN 5910-01-457-7364
NSN 6645-00-152-8498
NSN 6650-00-991-8436