P644: RESISTOR,FIXED,WIRE WOUND.
The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 511 ACTUATING ELEMENT, dial_size: 2-1/2 IN. DIA IN, bezel_type: SNAP-ON, body_width: 14.000 INCHES NOMINAL IN, head_style: HEXAGON, scale_name: PRESSURE.
This part is cataloged in the U.S. Government catalog under NSN 5305-00-012-0706, 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 | COPPER ALLOY 511 ACTUATING ELEMENT |
| dial_size | 2-1/2 IN. DIA IN |
| bezel_type | SNAP-ON |
| body_width | 14.000 INCHES NOMINAL IN |
| head_style | HEXAGON |
| scale_name | PRESSURE |
| scale_type | SINGLE |
| body_height | 9.000 INCHES NOMINAL IN |
| body_length | 20.000 INCHES NOMINAL IN |
| head_height | 0.156 INCHES NOMINAL IN |
| scale_range | +0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| pointer_type | INDICATING |
| NSN | 5305-00-012-0706 |
| HEAD HEIGHT | 0.156 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.500 INCHES NOMINAL IN |
| THREAD LENGTH | 0.500 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL IN |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE |
| SURFACE TREATMENT | CADMIUM OVERALL |