57B: 57B.
The 57B is a the manufacturer industrial component. Key specifications include base_width: 3.375 INCHES NOMINAL IN, base_length: 3.750 INCHES NOMINAL IN, design_type: UNIVERSAL, spindle_length: 12.000 INCHES MINIMUM AND 18.000 INCHES MAXIMUM IN, v-slotted_base: INCLUDED, base_alignment_type: GAGE PIN. This part is cataloged in the U.S.
Government catalog under NSN 6625-00-643-0598, 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.
| base_width | 3.375 INCHES NOMINAL IN |
| base_length | 3.750 INCHES NOMINAL IN |
| design_type | UNIVERSAL |
| spindle_length | 12.000 INCHES MINIMUM AND 18.000 INCHES MAXIMUM IN |
| v-slotted_base | INCLUDED |
| base_alignment_type | GAGE PIN |
| end_item_identification | F-15 BORESIGHT |
| NSN | 6625-00-643-0598 |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED STUD(S) |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.750 INCHES NOMINAL IN |
| OVERALL HEIGHT | 3.125 INCHES NOMINAL IN |
| FSC APPLICATION DATA | TEST SET,ELECTRONIC EQUIPMENT |
| MOUNTING ARRANGEMENT STYLE | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 THREADED STUD |
| METER DEPTH BEHIND MOUNTING FLANGE | 2.156 INCHES NOMINAL IN |
| CIRCUIT CURRENT FOR WHICH DESIGNED | AC |
| MOVEMENT TYPE | MOVING IRON VANE |
| ACCURACY IN PERCENT | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |