| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-399-5625 (003995625) |
| NCB Code | USA (00) |
| Manufacturer | Coltec Industries Inc, Fairbanks Morse Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.937 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 5.250 INCHES NOMINAL |
| AASK | HEAD STYLE | DEE CHAMFER |
| AASL | HEAD DIAMETER | 1.250 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.531 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.128 INCHES NOMINAL FIRST HOLE |
| AAWC | FIRST DIAMETER FROM HEAD | 0.620 INCHES MINIMUM AND 0.623 INCHES MAXIMUM |
| AAWD | SECOND DIAMETER FROM HEAD | 0.528 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| AAWE | THIRD DIAMETER FROM HEAD | 0.622 INCHES MINIMUM AND 0.623 INCHES MAXIMUM |
| AAWF | FOURTH DIAMETER FROM HEAD | 0.528 INCHES MINIMUM AND 0.531 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 | 1.562 INCHES NOMINAL |
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.562 INCHES NOMINAL |
| AAWL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 3.812 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQBC | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM OVERALL AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.006 INCHES NOMINAL FIRST HOLE |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 8640 OVERALL OR STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 4F-11A1,FSCM 82796 MFR REF 3RD MATERIAL RESPONSE OVERALL OR 4952 ALLOY 2,FSCM 82796 MFR REF 3RD MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-399-5625, 5306003995625 | ||||
| 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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