| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-664-5556 (006645556) |
| NCB Code | USA (00) |
| Manufacturer | Castle Industries Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | ROUNDED CORNERS |
| AARX | INSIDE DIAMETER | 4.805 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 4.925 INCHES NOMINAL |
| ABMC | MAJOR THICKNESS | 0.140 INCHES NOMINAL |
| ABQK | END STYLE | 90 DEGREE PARALLEL |
| ACXD | RING STYLE | STRAIGHT GAP |
| ALBY | USAGE DESIGN | EXTERNAL |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 7304 ASSN STD SINGLE MATERIAL RESPONSE |
| Components Related to NSN - 5325-00-664-5556, 5325006645556 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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