Part Number KFN631-4 Self-locking Nut

0.250-28 UNJF-3B rh thread, nut alluminum alloy 7075 temper T73, seal plastic MIL-P-19468, nut anodized MIL-A-8625 type 2 class 2, soluble lubricant, 0.461 in. Max washer outside dia, 0.335 in. Max height of nut, 0.107 in. Min and 0.117 in. Max counterbore depth, 0.254 in. Min and 0.268 in. Max counterbore dia, prevailing torque all metal locking feature, spline type wrenching feature, 250 degrees f temp rating

15653

• Schedule B: 7616106000
• SITC: 69440
• End Use: Finished metal shapes
• NAICS: 332722
• USDA: 1

Threaded fasteners of aluminum