188978: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.375 INCHES NOMINAL IN, fastener_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-018-8978, 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_style | HEXAGON |
| head_height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 0.375 INCHES NOMINAL IN |
| fastener_length | 0.375 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | ZINC OVERALL |
| width_between_flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.190 INCHES IN |
| thread_quantity_per_inch | 24 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5306-00-018-8978 |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.375 INCHES NOMINAL IN |
| THREAD LENGTH | 0.375 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM 576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OR ASTM @A108 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 7TH MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| FEATURES PROVIDED | UNFINISHED HEAD |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
No substitute or cross-reference records for this part.