Used on rolling door-fire-fume fight, mckeon rolling steel door co.
A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.
Classification: Chain sprockets and parts thereof
NSN 6105-00-567-8705
NSN 5960-01-518-4440
NSN 6240-01-631-2906
NSN 5910-01-321-1388
NSN 4140-01-492-5999
NSN 5915-01-645-8584
NSN 5895-00-153-2595
NSN 5975-00-080-7575
NSN 6135-00-676-5807
NSN 5895-00-004-8952
NSN 5915-01-081-7102
NSN 5965-01-136-7970