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 6620-01-598-2271
NSN 5920-01-234-2368
NSN 6645-00-256-4072
NSN 5965-00-122-6426
NSN 5965-01-621-6012
NSN 6610-01-241-9120
NSN 5855-01-445-6551
NSN 4140-01-596-1598
NSN 5999-00-081-0305
NSN 6220-00-218-0857
NSN 5960-01-614-8005
NSN 5915-01-436-5113