| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-302-8637 (003028637) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.880 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.490 INCHES MINIMUM AND 0.519 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.120 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.073 INCHES NOMINAL FIRST HOLE |
| AAWC | FIRST DIAMETER FROM HEAD | 0.344 INCHES MINIMUM AND 0.345 INCHES MAXIMUM |
| AAWD | SECOND DIAMETER FROM HEAD | 0.341 INCHES MINIMUM AND 0.342 INCHES MAXIMUM |
| AAWE | THIRD DIAMETER FROM HEAD | 0.240 INCHES NOMINAL |
| AAWF | FOURTH DIAMETER FROM HEAD | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AAWG | FIFTH DIAMETER FROM HEAD | 0.240 INCHES NOMINAL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.265 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.275 INCHES NOMINAL |
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.855 INCHES NOMINAL |
| AAWL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 1.850 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.760 INCHES NOMINAL FIRST HOLE |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 5 |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-302-8637, 5306003028637 | ||||
| 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) | |
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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