Filter used for nvis operations
A transparent or translucent item designed to enclose or be placed in front of a light source. Sections of the lens may be opaque. It may or may not include a holder. It is designed to be either a replacement unit for a specific type of light, such as light, indicator; light, navigational, marine; stop light, vehicular; and lantern, electric or that portion of a switch, (as modified) used as an actuator and having provisions for illumination. See also, window, lighting fixture; globe; electric light; and filter (2), (as modified).
Classification: Other instruments and apparatus, specially designed for telecommunications (for examle, cross-talk meters, gain measuring instruments etc)
NSN 5895-00-039-7257
NSN 5965-01-631-9848
NSN 5950-01-399-0509
NSN 5905-00-701-5298
NSN 6135-00-968-8594
NSN 5905-01-431-8321
NSN 4140-01-044-4809
NSN 6150-00-408-3005
NSN 5990-01-503-8455
NSN 5996-00-052-0842
NSN 6320-00-036-3688
NSN 6320-00-036-3688