213972: 213972.
The 213972 is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MAXIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-021-3972, 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 COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL |
| head_style | HEXAGON |
| head_height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 1.250 INCHES MAXIMUM IN |
| fastener_length | 1.250 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE OVERALL |
| width_between_flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.500 INCHES IN |
| thread_quantity_per_inch | 20 |
| thread_series_designator | UNF |
| NSN | 5305-00-021-3972 |
| HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.250 INCHES NOMINAL IN |
| THREAD LENGTH | 1.250 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A A |