A tubular item fitted to the objective end of an optical instrument to protect the lens and/or window against the direct rays of the sun, and/or other obscuring elements.
NSN 6645-00-070-5927
NSN 5960-01-641-5493
NSN 5965-01-431-5809
NSN 2925-01-019-8735
NSN 6135-01-552-1568
NSN 5915-01-478-0914
NSN 5895-00-449-7972
NSN 5985-01-604-3963
NSN 5998-01-076-8434
NSN 5920-01-275-8554
NSN 5905-01-201-2215
NSN 5965-01-560-8572