A0L4164-55: BOLT,INTERNAL WRENCHING.
The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: BEVEL-CONICAL, head_height: 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, thread_length: 0.438 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-558-5917, 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 | IRON ALLOY 660 OVERALL |
| head_style | BEVEL-CONICAL |
| head_height | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| thread_length | 0.438 INCHES MINIMUM IN |
| fastener_length | 0.438 INCHES NOMINAL IN |
| hardness_rating | 38.0 ROCKWELL C NOMINAL OVERALL |
| special_features | FINISH MUST PRODUCE BLACK COLOR |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| NSN | 5306-00-558-5917 |
| WIDTH ACROSS FLATS | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.438 INCHES NOMINAL IN |
| THREAD LENGTH | 0.438 INCHES MINIMUM IN |
| HARDNESS RATING | 38.0 ROCKWELL C NOMINAL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.112 INCHES IN |
| HEAD STYLE | BEVEL-CONICAL |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | FINISH MUST PRODUCE BLACK COLOR |
No substitute or cross-reference records for this part.