Howmet| Items |
 26S39-1 26S39 Stud Assembly Cross Recess |
26S39-2 26S39 Stud Assembly Cross Recess |
26S39-3 26S39 Stud Assembly Cross Recess |
26S39-4 26S39 Stud Assembly Cross Recess |
26S39-5 26S39 Stud Assembly Cross Recess |
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| Series | 2600 | |||||||||
| Head Style | Cross Recess | |||||||||
| Stud Material | 4037 Steel per AMS 6300, ASTM A322, ASTM A331, ASTM A752 or 1008-1010 Steel per ASTM A108 | |||||||||
| Cup Material | Carbon Steel per ASTM A109 | |||||||||
| Spring & Cross Pin Material | Music Wire per ASTM A228 | |||||||||
| Stud & Cup Finish | Nickel Plate per QQ-N-290, Type IV, Class 1 | |||||||||
| Spring & Cross Pin Finish | Cadmium Plate per QQ-P-416, Type II, Class 2 | |||||||||
| Dash Number | 1.000 | 2.000 | 3.000 | 4.000 | 5.000 | |||||
| L | 0.511-0.526 in | 0.541-0.556 in | 0.571-0.586 in | 0.601-0.616 in | 0.631-0.646 in | |||||
| S | 0.760 in | 0.790 in | 0.820 in | 0.850 in | 0.880 in | |||||
| Weight/100 | 0.734 lb | 0.744 lb | 0.755 lb | 0.765 lb | 0.776 lb | |||||
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