| 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) | 01-027-2640 (010272640) |
| NCB Code | USA (01) |
| Manufacturer | Bae Systems Land And Armaments Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 2.753 INCHES MINIMUM AND 2.783 INCHES MAXIMUM |
| ABHE | OUTSIDE DIAMETER | 3.360 INCHES MINIMUM AND 3.390 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| MATT | MATERIAL | STEEL COMP 4130 OR STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A513-A519 ASSN STD ALL MATERIAL RESPONSES OR ASTM A322-A331 ASSN STD ALL MATERIAL RESPONSES |
| Relevant Components for NSN - 5365-01-027-2640, 5365010272640 | ||||
| 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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