TELESCOPE,NON-INVERTING INFRARED. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, thickness: 0.500 INCHES NOMINAL IN, bore_shape: SPLINED FIRST END, bore_length: 0.438 INCHES NOMINAL SECOND END IN, spline_type: INVOLUTE FIRST END, body_material: COPPER ALLOY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-081-9670, 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.
| material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| thickness | 0.500 INCHES NOMINAL IN |
| bore_shape | SPLINED FIRST END |
| bore_length | 0.438 INCHES NOMINAL SECOND END IN |
| spline_type | INVOLUTE FIRST END |
| body_material | COPPER ALLOY |
| bore_diameter | 0.235 INCHES NOMINAL SECOND END IN |
| spline_length | 0.062 INCHES NOMINAL FIRST END IN |
| end_similarity | NOT IDENTICAL |
| overall_length | 0.500 INCHES NOMINAL IN |
| first_end_style | CIRCULAR GROOVED |
| spline_quantity | 16 FIRST END |
| NSN | 3040-00-081-9670 |
| FIRST END DISTANCE FROM END TO GROOVE | 0.127 INCHES NOMINAL IN |
| OVERALL LENGTH | 2.688 INCHES NOMINAL IN |
| END SIMILARITY | NOT IDENTICAL |
| FIRST END DIAMETER | 0.2500 INCHES NOMINAL IN |
| MATERIAL | STEEL CORROSION RESISTING |
| SECOND END DIAMETER | 0.2500 INCHES NOMINAL IN |
| FIRST END GROOVE DIAMETER | 0.2187 INCHES NOMINAL IN |
| SECOND END STYLE | UNTHREADED CROSS DRILLED |
| FIRST END GROOVE WIDTH | 0.0313 INCHES NOMINAL IN |
| SECOND END DISTANCE FROM HOLE CENTER TO END | 0.622 INCHES NOMINAL IN |