179885: COUPLER ASSEMBLY.
The COUPLER ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, overall_width: 5.460 INCHES NOMINAL IN, thread_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-010-0160, 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 | STEEL OVERALL |
| head_style | HEXAGON |
| head_height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| thread_class | 2A A |
| overall_width | 5.460 INCHES NOMINAL IN |
| thread_length | 1.250 INCHES MINIMUM IN |
| overall_length | 5.620 INCHES NOMINAL IN |
| surface_finish | 63.0 MICROINCHES THREADS |
| fastener_length | 1.500 INCHES NOMINAL IN |
| hardness_rating | 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| special_features | T.O. 31P2-2MSQ77-4-1; N/H/A RECEIVER-TRANSMITTER GROUP |
| thread_direction | RIGHT-HAND |
| NSN | 5305-00-010-0160 |
| SURFACE FINISH | 125.0 MICROINCHES GRIP |
| SURFACE FINISH | 125.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 63.0 MICROINCHES THREADS |
| HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.500 INCHES NOMINAL IN |
| THREAD LENGTH | 1.250 INCHES MINIMUM IN |
| HARDNESS RATING | 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | HEXAGON |