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 6130-01-063-7446
NSN 2925-01-149-0352
NSN 5996-01-254-4635
NSN 2925-01-068-3844
NSN 5910-01-054-1654
NSN 6145-01-267-6308
NSN 6105-00-404-7656
NSN 6150-00-567-7893
NSN 5910-01-312-3366
NSN 5945-00-254-8281
NSN 5935-01-514-7147
NSN 5965-00-083-8157