Two flange connecting holes modified by 0.250-20 in. Unc threads
NSN 6135-01-579-3534
NSN 6650-01-645-7892
NSN 6620-00-280-2874
NSN 5960-01-513-3230
NSN 6240-00-480-1558
NSN 4140-01-560-2099
NSN 5855-00-491-7079
NSN 6620-01-447-6666
NSN 6150-01-526-6402
NSN 5855-01-397-1105
NSN 5945-01-054-4744
NSN 5925-01-414-9210
Last Updated: 04/29/2025