The STEM,CONTROLLER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.594 INCHES MAXIMUM IN, fastener_length: 0.984 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5821-00-351-0275, 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_height | 0.188 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.594 INCHES MAXIMUM IN |
| fastener_length | 0.984 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| special_features | THD PITCH DIA MUST BE CONCENTRIC,SQUARE AND TRUE TO BODY WITHIN 0.006 AND TO TAPER WITHIN 0.004 FULL INDICATOR READINGS WHEN MTD ON CENTERS OR EQUIVALENT |
| thread_direction | RIGHT-HAND |
| countersink_angle | 90.0 DEGREES NOMINAL |
| width_between_flats | 0.312 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.312 INCHES IN |
| first_diameter_from_head | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| NSN | 5821-00-351-0275 |