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 5960-01-624-1170
NSN 5910-01-020-6271
NSN 5930-01-031-9244
NSN 5920-00-547-1051
NSN 6135-01-632-3365
NSN 6130-00-252-5475
NSN 6240-01-479-2975
NSN 6105-00-191-5055
NSN 5895-01-037-7112
NSN 6685-01-218-0129
NSN 5950-01-003-8636
NSN 5985-00-515-2184