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 5998-00-425-3323
NSN 6145-01-292-1539
NSN 6650-00-440-3537
NSN 6685-00-595-5376
NSN 5905-01-316-0378
NSN 5996-00-235-0823
NSN 6145-00-181-9622
NSN 6685-00-169-1654
NSN 5935-01-422-5757
NSN 6645-01-473-9179
NSN 5935-01-214-5664
NSN 5998-00-984-6047