There are 6 holes postioned lengthwise of various sizes, see the drawing for the actual hole sizes
NSN 5975-01-629-7179
NSN 5996-01-413-5037
NSN 2925-00-899-4261
NSN 6650-01-341-5330
NSN 5990-01-647-8574
NSN 6645-00-144-4868
NSN 5935-01-151-9120
NSN 2925-01-607-7754
NSN 6110-01-069-1908
NSN 5999-00-053-4119
NSN 6130-00-045-8470
NSN 6105-00-070-7227
Last Updated: 02/01/2025