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 5990-00-069-7195
NSN 6240-01-567-7847
NSN 6320-01-426-1324
NSN 6240-01-431-5790
NSN 5975-01-460-9342
NSN 5920-01-332-8992
NSN 5895-01-384-3230
NSN 5910-00-872-1342
NSN 5925-01-445-6112
NSN 6240-00-486-8447
NSN 5930-01-408-3505
NSN 5985-01-555-4226