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 6110-00-019-1385
NSN 6685-01-484-9403
NSN 5996-00-850-6198
NSN 5950-01-571-6618
NSN 5965-01-514-7231
NSN 5990-01-057-4191
NSN 6685-01-423-1464
NSN 6130-01-628-6908
NSN 6610-01-452-9486
NSN 5910-01-206-1622
NSN 6130-01-033-4206
NSN 6220-00-933-1441