Sole source required by statute 6.302
Classification: Instruments, apparatus and models, designed for demonstrational purposes, unsuitable for other uses, and parts and accessories
NSN 5895-01-486-5720
NSN 4140-01-361-9198
NSN 6620-01-213-8772
NSN 6685-01-413-2491
NSN 6610-01-487-5629
NSN 6685-01-320-3344
NSN 7035-01-480-5537
NSN 5910-01-555-7751
NSN 5965-01-439-6650
NSN 6650-01-145-5173
NSN 5895-00-116-7411
NSN 6110-00-712-2981