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 6685-01-529-9714
NSN 4140-01-021-9690
NSN 6610-01-259-0251
NSN 5985-01-259-2057
NSN 5996-00-466-9781
NSN 5895-01-197-2930
NSN 5935-00-904-0041
NSN 6620-00-155-2608
NSN 5950-01-171-0401
NSN 5910-01-095-3992
NSN 5985-01-391-2731
NSN 6220-00-142-5115