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 5895-00-577-4078
NSN 7035-01-382-4413
NSN 6320-01-082-2970
NSN 5895-00-155-8581
NSN 5915-00-522-1927
NSN 5930-01-546-9955
NSN 2925-00-215-4954
NSN 6220-00-689-8114
NSN 6240-01-571-7706
NSN 5999-01-482-0765
NSN 7035-01-588-2748
NSN 5925-01-586-7576