5365-01-454-5049 (1/4 OD X 1 25/32ID X 3/8 THK 414ODX12532IDX38THK)
5365-01-454-5049 is equivalent to manufacture part number 4. It is a sleeve spacer and is classified under Federal Supply Class 5365 (5365 - Bushings, Rings, Shims, and Spacers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5365 - Bushings, Rings, Shims, and Spacers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.