1.500 in. Across flats
NSN 6620-01-573-1952
NSN 6135-01-264-1311
NSN 5985-00-842-3795
NSN 4140-01-126-2557
NSN 6135-00-826-4798
NSN 4140-01-467-1386
NSN 6645-01-280-2674
NSN 6320-01-382-9676
NSN 5998-01-088-5562
NSN 5915-01-386-6003
NSN 6220-01-125-5748
NSN 5910-00-871-8454
Last Updated: 07/27/2025