As differentiated by special test features
A flat internally toothed belt or a round belt with protuding pins, designed to engage with corresponding teeth or corresponding grooves on the sprockets over which they run.
NSN 6150-01-029-3883
NSN 6240-01-487-6459
NSN 5975-00-810-8782
NSN 5920-01-463-3525
NSN 5990-00-881-1031
NSN 5965-00-849-1313
NSN 5996-01-528-7850
NSN 6650-01-555-8819
NSN 6240-00-577-8456
NSN 6105-01-394-9823
NSN 6220-01-151-3308
NSN 6685-00-874-0752