[jens5]

Could someone de-code these bolt markings from a 1985 SAI NM? 7790186 66118 - TT

Thanks

 

[dozier]

Could someone de-code these bolt markings from a 1985 SAI NM? 7790186 66118 - TT

Thanks

7790186 is the drawing/part number. 66118 is the manufacturer= Winchester(orig USGI). And I believe TT is the heat treat lot number. A good original bolt. dozier