| Item Name | Bolt Internally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-522-9590 (015229590) |
| NCB Code | USA (01) |
| Manufacturer | Coltec Industries Inc, Fairbanks Morse Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CBBL | Features Provided | FINISHED HEAD |
| MRC | Decoded Requirement | Clear Text Reply |
| AASK | Head Style | HEXAGON |
| AHYM | Nominal Thread Diameter | 76.0 MILLIMETERS |
| AATB | Width Between Flats | 0.322 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| CQQR | Thread Pitch In Millimeters | 3 |
| AASB | Fastener Length | 4.370 INCHES NOMINAL |
| AASA | Thread Length | 2.700 INCHES NOMINAL |
| MATT | Material | STEEL OVERALL |
| AGAV | End Item Identification | ENGINE, DIESEL |
| AASU | Head Height | 1.180 INCHES NOMINAL |
| CXCY | Part Name Assigned By Controlling Agency | SCREW, PRESSURE, HIGH SHOCK |
| AAJF | Thread Direction | RIGHT-HAND |
| THSD | Thread Series Designator | M |
| AAXC | Concentric Hole Diameter | 0.781 INCHES NOMINAL |
| CQWR | External Thread Tolerance Class | 4G6G |
| FEAT | Special Features | HEAD HAS TWO RAISED CIRCULAR EXTENSIONS; 1ST IS 4MM HIGH X 72MM IN DIA.; SCND IS 3 MM HIGH X 45 MM IN DIA. |
| MDCL | Material Document And Classification | NF XC48 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | Style Designator | CONCENTRIC HOLE UNTHREADED |
| Relevant Components for NSN - 5306-01-522-9590, 5306015229590 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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