| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-177-3721 (001773721) |
| NCB Code | USA (00) |
| Manufacturer | Spirolox Inc, Smalley Steel Ring Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AARX | INSIDE DIAMETER | 1.598 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 1.834 INCHES NOMINAL |
| ABMC | MAJOR THICKNESS | 0.049 INCHES NOMINAL |
| ACXD | RING STYLE | SPECIAL FLAT |
| ALBY | USAGE DESIGN | INTERNAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | CADMIUM |
| Relevant Components for NSN - 5325-00-177-3721, 5325001773721 | ||||
| 5305-01-322-2550 (5305013222550) | 5330-01-188-5652 (5330011885652) | 5365-01-342-4981 (5365013424981) | 5340-01-345-9187 (5340013459187) | |
| 5365-01-413-4862 (5365014134862) | 5331-01-305-0237 (5331013050237) | 5305-01-441-4148 (5305014414148) | 5305-00-431-8851 (5305004318851) | |
| 5340-01-464-8492 (5340014648492) | 5315-01-037-1145 (5315010371145) | 5305-01-506-5142 (5305015065142) | 5365-01-426-4082 (5365014264082) | |
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