37-6139 - Parkerized Hex Nuts 7/16 -20
Parkerized jam nuts from Colony motorcycle products have a thread size of 7/16 -20 N.F. x 3/8 x 3/4 and are used for the auxiliary spring bracket assembly and Spring Fork front forks of 45 models.
Country Of Origin: USA
OEM Cross Reference: 7859,2641-30
Accessory Items: 31-0427 - Auxiliary Seat Spring Bracket Kit