A flat rigid item provided with holes or similar means for attaching to a container for the purpose of holding an observation window in place.
Classification: Other articles of glass, nesoi
NSN 6130-01-272-9765
NSN 6145-01-428-6677
NSN 4140-01-425-0025
NSN 5975-00-755-3139
NSN 6645-00-964-3020
NSN 6150-01-085-5858
NSN 5905-00-338-7701
NSN 5950-00-540-9283
NSN 5895-01-334-7259
NSN 6150-00-619-1711
NSN 6620-01-085-8688
NSN 6645-00-690-0423