Matl hardness rating-not rated; raised surface feature-not included
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 6150-01-571-3581
NSN 6135-00-777-5562
NSN 6685-01-032-5241
NSN 5999-00-648-0062
NSN 5960-00-245-2645
NSN 6240-00-079-1759
NSN 6130-00-202-0027
NSN 5935-01-288-8942
NSN 5985-00-633-9963
NSN 5950-01-251-2433
NSN 5999-00-243-9820
NSN 6610-01-406-6696