The 53-1002 is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.1875 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-041-1870, 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 | PLASTIC OVERALL |
| body_style | PLAIN, SOLID |
| bore_style | PLAIN BOTH ENDS |
| tooth_form | STANDARD |
| pitch_diameter | 1.1875 INCHES NOMINAL IN |
| pressure_angle | 14.5000 DEGREES |
| teeth_quantity | 19 |
| style_designator | PROTRUDING HUB |
| face_nominal_width | 0.2500 INCHES IN |
| hub_nominal_diameter | 1.000 INCHES FIRST END IN |
| hub_style_designator | PLAIN FIRST END |
| bore_nominal_diameter | 0.687 INCHES BOTH ENDS IN |
| NSN | 5999-00-041-1870 |
| PRECIOUS MATERIAL AND LOCATION | EXTERNAL SURFACE SILVER |
| MATERIAL | COPPER ALLOY BODY |
| SURFACE TREATMENT | SILVER |
| MOUNTING METHOD | THREAD |
| CHAIN | NOT INCLUDED |
| FASTENING FACILITY | BOSSED EDGE |
| LENGTH | 0.15625 INCHES NOMINAL IN |
| END ITEM IDENTIFICATION | TYPE NO. TN-131/APR-9 |
| THREAD SIZE | 1-1/4-18 |
| DIAMETER | 2.250 INCHES NOMINAL IN |