A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.
NSN 5945-01-550-7802
NSN 5960-01-429-5897
NSN 5910-00-207-8860
NSN 5920-00-901-7419
NSN 5925-00-222-8263
NSN 6645-01-441-0937
NSN 6650-01-514-0240
NSN 5930-01-424-1436
NSN 5925-01-268-4749
NSN 6110-01-411-6000
NSN 5895-00-900-8511
NSN 6105-01-294-9019