The 179851 is a the manufacturer industrial component. Key specifications include color: GRAY, LIGHT AND BLACK, LUSTERLESS, outside_diameter: 1.672 INCHES NOMINAL IN, special_features: SPRING CLIP IS 0.250 DIAMETER W/0.218 FLAT; MOUNTING METHOD: SPRING CLIP, style_designator: ROUND, overall_thickness: 0.734 INCHES NOMINAL IN, end_item_identification: WELDING MACH. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-017-9851, 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.
| color | GRAY, LIGHT AND BLACK, LUSTERLESS |
| outside_diameter | 1.672 INCHES NOMINAL IN |
| special_features | SPRING CLIP IS 0.250 DIAMETER W/0.218 FLAT; MOUNTING METHOD: SPRING CLIP |
| style_designator | ROUND |
| overall_thickness | 0.734 INCHES NOMINAL IN |
| end_item_identification | WELDING MACH |
| NSN | 5305-00-017-9851 |
| THREAD CLASS | 2A A |
| FASTENER LENGTH | 3.000 INCHES NOMINAL IN |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL | STEEL OVERALL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MINIMUM IN |
| MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH LBS |