There are 5 inch inlet/outlet openings; shell, heads and baffle matl is 12 gage carbon steel
A device designed to prevent the escape of sparks from the exhaust of reciprocating internal combustion engines. It functions by trapping glowing carbon particles from exhaust gases in a receptacle that can be serviced.
NSN 5998-01-612-8733
NSN 5930-01-229-5596
NSN 4140-00-138-4139
NSN 5910-00-203-5856
NSN 5915-01-631-5886
NSN 6105-00-602-3960
NSN 2925-00-656-3224
NSN 6110-01-215-7681
NSN 5996-01-480-7349
NSN 6240-00-306-9214
NSN 4140-00-918-5162
NSN 5960-00-297-7099