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 6620-01-551-7922
NSN 6650-00-132-3827
NSN 5960-00-118-2903
NSN 5960-00-179-8054
NSN 6150-00-600-6259
NSN 6220-01-062-2077
NSN 6620-01-163-6125
NSN 4140-01-513-5883
NSN 5965-00-644-0339
NSN 5835-00-170-5238
NSN 4140-00-526-4505
NSN 6650-00-012-2430