A comparatively flat rigid item, having a centrally located aperture, designed to hold a window in position in mechanical or optical instruments. It must have drilled and/or tapped holes for mounting purposes.
Classification: Other base metal mountings, fittings etc, nesoi
NSN 5915-00-516-9987
NSN 5998-01-165-2819
NSN 6240-01-293-6024
NSN 5915-00-490-6424
NSN 6320-00-894-1644
NSN 6650-01-094-6876
NSN 5910-01-387-3577
NSN 5945-00-969-7291
NSN 5920-01-569-7475
NSN 5990-01-502-8209
NSN 6320-01-532-7491
NSN 6650-00-614-1711