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 6110-01-222-7915
NSN 5905-01-069-3419
NSN 5895-01-099-4794
NSN 6650-00-067-3572
NSN 2925-01-631-7004
NSN 5935-00-636-5348
NSN 6105-00-814-2862
NSN 5990-01-434-7913
NSN 5895-01-141-3206
NSN 6685-00-374-7351
NSN 5920-01-179-3366
NSN 5930-01-322-8107