BSA / Triumph Headlamp Bracket Wire Stay Top Domed Nut - Various OIF Models Circa 1971-73
Domed nut to secure the top section of the left and right hand wire headlamp brackets - 2 required per bike.
As used on A65, B25, B50, T120, TR6, T150, TR25W and TR5T models.
Overall height: 7/16" (10.7mm)
OD: 7/16" (11.4mm)
Thread: 1/4" UNF - 28 TPI
OEM: 21-1809, S1809
Chrome plated - made in England