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 5999-01-029-3025
NSN 5960-01-031-0347
NSN 5990-01-472-2447
NSN 6610-01-022-0076
NSN 6620-01-432-3768
NSN 5925-00-504-5364
NSN 6610-01-023-1816
NSN 6145-01-070-2160
NSN 5930-01-446-7033
NSN 6610-00-590-8869
NSN 5985-01-164-7405
NSN 4140-01-297-0522