AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Lock Serrated |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5365 Bushings Rings Shims and Spacers |
| National Item Identification Number (NIIN) | 01-522-6123 (015226123) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAVL | Pilot Diameter | 0.223 INCHES NOMINAL |
| CXCY | Part Name Assigned By Controlling Agency | INAVY:LOCKRING |
| ABKW | Overall Height | 0.034 INCHES NOMINAL |
| ADGA | Overall Outside Diameter | 0.270 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
| AGAV | End Item Identification | ENGINE DIESEL, PC 2.5V STC; LOCKRING-ROSAN |
| MRC | Decoded Requirement | Clear Text Reply |
| MATT | Material | STEEL |
| FEAT | Special Features | MATERIAL DOCUMENTATION AMS5731, AMS5732, AMS5734, OR AMS5737. MATERIAL HEATTREAT; 32-4D-HRC |
| AWPM | Outer Serration Quantity | 20 |
| AWPN | Inner Serration Quantity | 14 |
| AARX | Inside Diameter | 0.158 INCHES MINIMUM AND 0.165 INCHES MAXIMUM |
| SFTT | Surface Treatment | PASSIVATE |
| Relevant Components for NSN - 5365-01-522-6123, 5365015226123 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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