mcc1979ian Posted September 24, 2016 Share Posted September 24, 2016 Looking for a part number for the little captive nuts that mount to the seatbox in a 90. My 1986 was fitted with series style seats and was held by 2 bolts at the end of each runner but the defender ones are bolted to these captive nuts Quote Link to comment Share on other sites More sharing options...
western Posted September 24, 2016 Share Posted September 24, 2016 my 1986 parts book shows captive nut plate MTC7631, otherwise just use suitable rivnuts of the correct thread type most likely imperial on a 1986 vehicle. http://www.brit-car.co.uk/product.php/125460/0/nut_plate_seat_base_def 1 Quote Link to comment Share on other sites More sharing options...
mcc1979ian Posted September 24, 2016 Author Share Posted September 24, 2016 Cheers. Would rivnuts be sufficient to hold a seat? Quote Link to comment Share on other sites More sharing options...
skauldy Posted September 25, 2016 Share Posted September 25, 2016 I thought rivets were for non structural fixings, i know a seat isn't structural but in a crash id imagine the forces exerted on it are severe Quote Link to comment Share on other sites More sharing options...
Ex Member Posted September 25, 2016 Share Posted September 25, 2016 Rivnuts, not rivets. You can see what was used here: http://www.allbrit.de/UNI.cfm?PAGE=769747&SPRACHE=EN M8 Rivnuts were used in later models, AWR4731. Earlier ones used a captive nut plate, MUC7947. Quote Link to comment Share on other sites More sharing options...
western Posted September 25, 2016 Share Posted September 25, 2016 my 1989 110 has the MUC7947 single nut plate, Quote Link to comment Share on other sites More sharing options...
mcc1979ian Posted September 25, 2016 Author Share Posted September 25, 2016 Installed now with M8 Rivnuts. Seems firm enough 1 Quote Link to comment Share on other sites More sharing options...
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