Online Metals Depot stocks aircraft certified aerospace fittings. MS9198 nut, tube couplings are used for a leak-free solution for your aircraft. These nuts are available in stainless steel and aluminum in several different alloy grades. Each MS9198 nut, tube coupling's come in multiple thread sizes to suit your needs.
Description: Nut,Tube Coupling-Cres SAE-AMS5646, W/ Lockwire Holes
MFG: B & E or PAMCO