threaded AFO Series Threaded Aluminum Plugs for Flat-Faced O-Ring Hydraulic Fittings AFO Series threaded aluminum plugs are designed for positive, metal-to-metal threaded protection. * Optional Gaskets: Neoprene (GN), Butyl (GB), Buna (GA) Rubber KNURLED SURFACE Material: 3003-0 Aluminum Alloy Color: Silver C B MINIMAL RADIUS ASP Series D ROLLED EDGE ROLLED THREAD FORM A (Min 1 Full Thread) Optional Sealing Gasket Threaded Aluminum Plugs for 37° Flared Fittings and Straight-Threaded Ports ASP Series threaded aluminum plugs protect 37° flared fittings and straight-threaded ports. * Nose section seals on flared fittings with no gasket * Optional Gaskets: Neoprene (GN), Butyl (GB), Buna (GA) Rubber * Specs: MIL-C-5501/1, NAS-818, NAS-836 Material: 3003-0 Aluminum Alloy Color: Silver BSP Series Threaded Plugs for British Standard Pipe Fittings BSP Series threaded plugs provide positive protective sealing on ports threaded for British Standard Pipe fittings. The series has a unique flange compression seal which prevents leakage of residual fluid. * Designed for easy finger installation * 12-point head enables socket or wrench tightening for positive seal Material: Polypropylene Color: Yellow 120 * For other material and color options, contact customer service.