Used for fuel
No other part numbers with same form, fit, and function found.
A device used to prevent passage of flame through a ventilating duct while air is flowing.
NSN 6645-01-320-4138
NSN 6650-01-369-5433
NSN 6645-00-881-9978
NSN 6645-01-426-8621
NSN 6620-00-988-9170
NSN 5985-01-479-0723
NSN 5975-01-149-2006
NSN 5960-00-153-7115
NSN 6150-00-100-4757
NSN 6650-01-512-1930
NSN 5985-01-153-2657
NSN 5996-01-196-0017