91251A626: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: KNURLED NO. 1, head_height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN.
This part is cataloged in the U.S. Government catalog under NSN 5305-00-972-5818, 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 | KNURLED NO. 1 |
| head_height | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| thread_length | 1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| fastener_length | 1.250 INCHES NOMINAL IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | OXIDE OVERALL |
| width_across_flats | 0.312 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-00-972-5818 |
| WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.234 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN |
| THREAD LENGTH | 1.250 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
| DEPARTURE FROM CITED DESIGNATOR | AS MOD BY MATL |
| NONDEFINITIVE SPEC/STD DATA | 6 TYPE |