Nikon Camera Parts 2 Nikonos IV-A Advance Lever PreviousNikonos IV-A O-Ring for Sync Socket NextNikonos IV-A Set Screw Nikonos IV-A Advance Lever Nikonos IV-A Advance Lever $40.00 New Old StockPart# 9F4B-FA2-441or9F4B-FA1-441 Add To Cart Facebook0 Twitter Tumblr You Might Also Like sold out Nikonos IV-A Locking Knob $20.00 Nikon N4004 Top Cover $39.99 Nikon N50 Battery Door $30.00 Nikon FG Exposure Compensation/ ASA/ISO Black Dial $20.00 Nikon FT, FTN, FT2 and FT3 Meter $50.00