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 6610-00-331-3460
NSN 6150-01-480-0788
NSN 5915-01-212-9590
NSN 6150-01-646-1262
NSN 5925-01-567-9685
NSN 2925-01-543-0073
NSN 6240-00-286-0742
NSN 5950-01-634-0677
NSN 5835-01-046-9615
NSN 5895-01-446-6374
NSN 6110-01-290-6661
NSN 5996-01-513-0323