| 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 |
| Relevant Components for NSN - 5325-00-664-5556, 5325006645556 | ||||
| 5365-01-408-0738 (5365014080738) | 5360-01-398-4043 (5360013984043) | 5340-01-691-6542 (5340016916542) | 5320-01-436-2383 (5320014362383) | |
| 5306-01-314-9902 (5306013149902) | 5360-01-309-0721 (5360013090721) | 5340-01-572-7694 (5340015727694) | 5330-01-590-0378 (5330015900378) | |
| 5305-00-885-9913 (5305008859913) | 5305-01-107-6588 (5305011076588) | 5360-00-419-0733 (5360004190733) | 5365-01-088-3799 (5365010883799) | |
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