203970: VENTILATOR,AIR CIRCULATING.
The VENTILATOR,AIR CIRCULATING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, OFFSET, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 4.7270 INCHES NOMINAL IN, pressure_angle: 22.5000 DEGREES. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-215-7545, 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 |
| body_style | WEBBED, OFFSET, SOLID |
| bore_style | PLAIN BOTH ENDS |
| tooth_form | STANDARD |
| pitch_diameter | 4.7270 INCHES NOMINAL IN |
| pressure_angle | 22.5000 DEGREES |
| teeth_quantity | 33 |
| hardness_rating | 81.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM TEETH |
| spline_quantity | 32 BOTH ENDS |
| style_designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| face_nominal_width | 0.450 INCHES IN |
| backlash_designation | GRADE A |
| NSN | 3020-00-215-7545 |
| BORE NOMINAL DIAMETER | 2.100 INCHES BOTH ENDS IN |
| HUB NOMINAL DIAMETER | 2.350 INCHES BOTH ENDS IN |
| BACKLASH DESIGNATION | GRADE A |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.090 INCHES SECOND END IN |
| TEETH QUANTITY | 33 |
| BODY STYLE | WEBBED, OFFSET, SOLID |
| BORE STYLE | PLAIN BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.105 INCHES FIRST END IN |
| HARDNESS RATING | 81.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM TEETH |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB |
No substitute or cross-reference records for this part.