| Item Name | Ring Main Bearing |
| INC Code | 77777 |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2810 Gasoline Reciprocating Engines Aircraft Prime Mover and Components |
| National Item Identification Number (NIIN) | 00-306-6159 (003066159) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | ACFT ENG R1820 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATL STEEL PER AMS 6272; 2.08 IN. LONG; 7.660 IN. MIN AND 7.661 IN. MAX OD; BORE 5.687 IN. MIN AND 5.688 IN. MAX DIA; COUNTERBORE 7.4823 IN. MIN AND 7.4833 IN. MAX DIA; V SHAPED GROOVE TO 6.22 IN. DIA; 8 HOLES 0.125 IN. DIA; 8 HOLES 0.375-2 |
| Relevant Components for NSN - 2810-00-306-6159, 2810003066159 | ||||
| 2810-01-482-2132 (2810014822132) | 2810-00-942-5077 (2810009425077) | 2810-00-024-2884 (2810000242884) | 2810-00-165-6653 (2810001656653) | |
| 2810-01-590-2857 (2810015902857) | 2810-00-474-3384 (2810004743384) | 2810-00-306-6295 (2810003066295) | 2810-00-097-4284 (2810000974284) | |
| 2810-00-511-8338 (2810005118338) | 2810-00-794-5939 (2810007945939) | 2810-01-010-6402 (2810010106402) | 2810-01-220-3255 (2810012203255) | |
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