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 5915-01-117-3543
NSN 6650-01-115-2766
NSN 5910-01-610-0147
NSN 5985-01-495-0883
NSN 6610-00-261-8159
NSN 5985-01-178-9149
NSN 5960-01-003-8480
NSN 5996-00-279-5806
NSN 4140-01-580-0277
NSN 6110-00-089-7348
NSN 5835-01-320-8306
NSN 6105-01-414-7100