There are 12 short that the majority used 7/16 - 14 NC x 7/16 - 20 NF - 2 x 3 7/16. The engines between serial MC10169 and MC22765 used a 3 3/8" long stud.
There are 3 long studs 7/16 - 14 NC (5/8) x 7/16 - 20 NF (1 3/16) x3 7/8.
(5/8)" is the length of the coarse threads and (1 3/16)" is the length of the fine threads. The 3 7/8" is the overall length of the stud. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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