| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-424-4421 (004244421) |
| NCB Code | USA (00) |
| Manufacturer | Mwm Murphy Diesel Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.375 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 4.688 INCHES NOMINAL |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| AASL | HEAD DIAMETER | 1.188 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.500 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.988 INCHES MINIMUM AND 0.990 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.156 INCHES NOMINAL FIRST HOLE |
| AAWC | FIRST DIAMETER FROM HEAD | 0.751 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| AAWD | SECOND DIAMETER FROM HEAD | 0.663 INCHES MINIMUM AND 0.666 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.375 INCHES NOMINAL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 3.313 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.7062 TO 0.7094 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQFM | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM OVERALL AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.219 INCHES NOMINAL FIRST HOLE |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FEAT | SPECIAL FEATURES | TWO DRILLED HOLES IN SHANK,0.437 IN. C TO C |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5306-00-424-4421, 5306004244421 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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