| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-219-2578 (012192578) |
| NCB Code | USA (01) |
| Manufacturer | Eaton Corporation, Llc Ring Masters, Tinnerman Palnut Engineered Products |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AARX | INSIDE DIAMETER | 1.966 INCHES MINIMUM AND 1.997 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 2.272 INCHES MINIMUM AND 2.315 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.076 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| ABQK | END STYLE | VERTEX OUTSIDE PERIPHERY |
| ACXD | RING STYLE | STRAIGHT GAP |
| ALBY | USAGE DESIGN | EXTERNAL |
| ALME | MATERIAL HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1060 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1060 ASSN STD SINGLE MATERIAL RESPONSE |
| Components Related to NSN - 5325-01-219-2578, 5325012192578 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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