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 6650-01-234-7012
NSN 5996-01-484-8867
NSN 5930-00-378-7005
NSN 6130-01-621-4806
NSN 5998-00-633-5169
NSN 5905-00-886-6256
NSN 6150-01-576-8027
NSN 5910-01-415-1214
NSN 5985-00-893-4919
NSN 5905-01-483-6318
NSN 6145-01-308-4879
NSN 5915-01-437-3572