| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-421-3186 (014213186) |
| NCB Code | USA (01) |
| Manufacturer | Webb Wheel Products Inc, Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 22.0 MILLIMETERS |
| AASL | Head Diameter | 33.27 MILLIMETERS NOMINAL |
| CQWR | External Thread Tolerance Class | 6G |
| AATX | Shoulder Length | 18.3 MILLIMETERS NOMINAL FIRST SHOULDER |
| AASK | Head Style | FLAT CHAMFER |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| THSD | Thread Series Designator | M |
| AASB | Fastener Length | 88.9 MILLIMETERS NOMINAL |
| AATN | Shoulder Diameter | 25.58 MILLIMETERS NOMINAL FIRST SHOULDER |
| CMLP | Thread Quantity Per Inch | 1.5 |
| MRC | Decoded Requirement | Clear Text Reply |
| AASA | Thread Length | 57.2 MILLIMETERS NOMINAL |
| Components Related to NSN - 5306-01-421-3186, 5306014213186 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
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