| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-205-4231 (002054231) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AARX | INSIDE DIAMETER | 3.750 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 4.120 INCHES NOMINAL |
| ABMC | MAJOR THICKNESS | 0.182 INCHES NOMINAL |
| ABQK | END STYLE | D SHAP BELOW INSIDE PERIPHERY |
| ACXD | RING STYLE | INTERNAL |
| ALBY | USAGE DESIGN | INTERNAL |
| ALME | MATERIAL HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| AWQD | STRENGTH RATING | 150.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATT | MATERIAL | STEEL COMP E4340 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE |
| Relevant Components for NSN - 5325-00-205-4231, 5325002054231 | ||||
| 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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