| Item Name | Spacer Ring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5365 Bushings Rings Shims and Spacers |
| National Item Identification Number (NIIN) | 01-081-0388 (010810388) |
| NCB Code | USA (01) |
| Manufacturer | Picatinny Arsenal |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | ITEM USED ON 155MM,AP,PROJ ADAM M692 AND 155MM ADAM PROJ M731 |
| AARX | Inside Diameter | 3.670 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| ABHE | Outside Diameter | 4.360 INCHES NOMINAL |
| ADUM | Overall Thickness | 0.0250 INCHES NOMINAL |
| MATT | Material | STEEL CORROSION RESISTING |
| CQFM | Hardness Rating | 90.0 ROCKWELL B MINIMUM |
| Relevant Components for NSN - 5365-01-081-0388, 5365010810388 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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