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 6150-01-251-9333
NSN 5998-01-056-6546
NSN 6110-00-872-1475
NSN 5935-00-975-1701
NSN 6220-01-539-0923
NSN 5945-01-470-2159
NSN 5855-00-455-6070
NSN 5930-01-069-2348
NSN 5965-01-332-9825
NSN 6110-01-032-6975
NSN 6610-00-007-6832
NSN 5905-00-087-7046