3.740 inches maximum
4.500 inches maximum
Take apart construction;painted gray
Thread Size And Series/type Designator
1 1/2-11 1/2 npt
Breather, also referenced with federal logistics item name code 11034
- A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. see also cap, vent, fuel storage tank. excludes ventalator (as modified).
National Stock Number (NSN): 4310-00-003-8392