No, but starting with NX 8.5 you can associate views to one another so that if you move one of them, the others views will automatically remain aligned. It's not exactly locking them in place, but it's sort of the next best thing.
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA Siemens PLM: UG/NX Museum:
To an Engineer, the glass is twice as big as it needs to be.