91290A442: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT FILLISTER, head_height: 8.0 MILLIMETERS NOMINAL MM, head_diameter: 13.0 MILLIMETERS NOMINAL MM, thread_length: 28.0 MILLIMETERS MINIMUM AND 34.3 MILLIMETERS MAXIMUM MM, fastener_length: 40.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-558-9957, 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 | FLAT FILLISTER |
| head_height | 8.0 MILLIMETERS NOMINAL MM |
| head_diameter | 13.0 MILLIMETERS NOMINAL MM |
| thread_length | 28.0 MILLIMETERS MINIMUM AND 34.3 MILLIMETERS MAXIMUM MM |
| fastener_length | 40.0 MILLIMETERS NOMINAL MM |
| hardness_rating | 37.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | OXIDE OVERALL |
| width_across_flats | 6.0 MILLIMETERS NOMINAL MM |
| internal_drive_style | HEXAGON |
| end_item_identification | END ITEM NSN: 2355-01-542-7908; MRAP BUFFALO MK2A2 |
| NSN | 5305-01-558-9957 |
| WIDTH ACROSS FLATS | 6.0 MILLIMETERS NOMINAL MM |
| HEAD HEIGHT | 8.0 MILLIMETERS NOMINAL MM |
| EXTERNAL THREAD TOLERANCE CLASS | 5G6G |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL MM |
| THREAD PITCH IN MILLIMETERS | 1.3 |
| THREAD LENGTH | 28.0 MILLIMETERS MINIMUM AND 34.3 MILLIMETERS MAXIMUM MM |
| HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS MM |
| HEAD STYLE | FLAT FILLISTER |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.