BE 1218-4-12: BOLT,EXTERNALLY RELIEVED BODY.
The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.330 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-217-5989, 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 | NICKEL ALLOY 718 OVERALL |
| head_style | DOUBLE HEXAGON EXTENDED WASHER |
| head_height | 0.330 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.750 INCHES NOMINAL IN |
| fastener_length | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.312 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| extended_washer_diameter | 0.438 INCHES NOMINAL IN |
| first_diameter_from_head | 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| minimum_tensile_strength | 180000 POUNDS PER SQUARE INCH LBS |
| NSN | 5306-01-217-5989 |
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.330 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN |
| EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL IN |
| THREAD LENGTH | 0.750 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| FIRST DIAMETER FROM HEAD | 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.