49 C.F.R. § 236.742
Dog, locking.
Cite as 49 C.F.R. § 236.742 (2026)
A steel block attached to a locking bar or tappet of an interlocking machine, by means of which locking between levers is accomplished.
49 C.F.R. § 236.742
Cite as 49 C.F.R. § 236.742 (2026)