Tempered to resist cracking especially in ndt situations
An item fabricated of a special glass or other suitable material for the purpose of transmitting ultraviolet light and withholding all other wave lengths of light, particularly those at the visible region. It is designed to fit into the aperture of a suitable light source.
NSN 6105-00-699-9186
NSN 6685-01-256-2590
NSN 6135-00-120-1027
NSN 6685-01-229-1519
NSN 5905-01-023-8181
NSN 5945-01-297-2455
NSN 6685-01-453-0460
NSN 2925-01-477-3787
NSN 5905-01-124-3997
NSN 5950-01-146-4329
NSN 5910-01-441-9868
NSN 5910-00-944-7576