ST3M491C4-3-7: PIN-RIVET.
The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: ERR-090, grip_length: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, head_height: 0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN, lubrication: CETYL ALCOHOL, shank_style: PIN-RIVET, STRAIGHT, THREADED. This part is cataloged in the U.S.
Government catalog under NSN 5320-01-315-0248, 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 | ERR-090 |
| grip_length | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| head_height | 0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN |
| lubrication | CETYL ALCOHOL |
| shank_style | PIN-RIVET, STRAIGHT, THREADED |
| thread_class | 3A A |
| shank_diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| shear_strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| fastener_length | 0.573 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| NSN | 5320-01-315-0248 |
| SHANK DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| LUBRICATION | CETYL ALCOHOL |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.573 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | ERR-090 |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| GRIP LENGTH | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.