Hardness critical item
An item which performs the dual function of presenting operational information from other components or sets, and provides an alerting signal upon departure from normal operating conditions.
Classification: Parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi
NSN 6130-00-455-2423
NSN 6145-01-401-3713
NSN 5930-01-333-2638
NSN 5996-01-633-7979
NSN 6105-00-065-4968
NSN 6645-00-958-5299
NSN 5835-01-185-1102
NSN 5905-00-931-1178
NSN 5915-00-389-1126
NSN 5998-00-753-7856
NSN 4140-01-376-4267
NSN 5915-01-304-3662