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 5895-01-014-4016
NSN 6130-00-773-8045
NSN 5996-00-777-7134
NSN 6650-01-246-6512
NSN 5960-01-514-5433
NSN 5985-00-092-0965
NSN 5915-00-156-2083
NSN 5910-00-543-3636
NSN 5915-01-587-4429
NSN 6645-00-646-6631
NSN 6645-00-664-4665
NSN 6320-01-056-1164