| Item Name | Ring Retaining |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-531-4037 (005314037) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The, Spirolox Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST9M449-275 | boeing company the | ring retaining | 76301 | RFQ |
| UR275CDM9 | spirolox inc | ring retaining | 80756 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | ROUNDED CORNERS |
| AARX | INSIDE DIAMETER | 2.541 INCHES MINIMUM AND 2.566 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 2.857 INCHES MINIMUM AND 2.882 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
| ACXD | RING STYLE | SPECIAL |
| ALBY | USAGE DESIGN | INTERNAL |
| AWQD | STRENGTH RATING | 221000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE |
| Components Related to NSN - 5325-00-531-4037, 5325005314037 | ||||
| 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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