Material transparency provides observation facility
A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6685-01-443-6699
NSN 6110-01-566-1298
NSN 6150-01-608-1838
NSN 5915-01-425-5884
NSN 5990-00-226-1152
NSN 5935-00-600-2595
NSN 6645-01-336-6631
NSN 5835-00-477-3162
NSN 6610-00-465-4983
NSN 5905-00-959-0099
NSN 5915-00-079-1011
NSN 5905-00-708-0891