CAP ASSEMBLY,PROTECTIVE,MUFFLER-. Key specifications include phase: SINGLE, material: ALUMINUM OR STEEL CORROSION RESISTING OR COPPER ALLOY, bore_shape: STRAIGHT, seat_angle: 37.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 1A SECOND END A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-438-1551, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| phase | SINGLE |
| material | ALUMINUM OR STEEL CORROSION RESISTING OR COPPER ALLOY |
| bore_shape | STRAIGHT |
| seat_angle | 37.0 DEGREES FIRST END |
| temp_rating | -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| thread_class | 1A SECOND END A |
| bore_diameter | 90.0 MILLIMETERS NOMINAL MM |
| overall_width | 64.00 MILLIMETERS NOMINAL MM |
| physical_form | DEHYDRATED |
| surface_finish | GROUND |
| connection_type | THREADED INTERNAL PIPE ALL ENDS |
| inside_diameter | 0.250 INCHES NOMINAL IN |
| NSN | 2990-00-438-1551 |