AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-280-5131 (012805131) |
| NCB Code | USA (01) |
| Manufacturer | United Technologies Corporation, Ms Aerospace Inc, Acufast Aircraft Products Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.530 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 2.030 INCHES MINIMUM AND 2.050 INCHES MAXIMUM |
| AASK | HEAD STYLE | TEE NO. 6 |
| AASU | HEAD HEIGHT | 0.250 INCHES NOMINAL |
| AASV | HEAD LENGTH | 0.860 INCHES MINIMUM AND 0.866 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| AAWC | FIRST DIAMETER FROM HEAD | 0.426 INCHES MINIMUM AND 0.430 INCHES MAXIMUM |
| AAWD | SECOND DIAMETER FROM HEAD | 0.458 INCHES NOMINAL |
| AAWE | THIRD DIAMETER FROM HEAD | 0.356 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.080 INCHES NOMINAL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.205 INCHES NOMINAL |
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.525 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| CSYT | CHAMFER ANGLE | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| FEAT | SPECIAL FEATURES | THIRD DIAMETER FROM HEAD TAPERED FROM SECOND DIAMETER AT 25 DEG 30 |
| MATT | MATERIAL | TITANIUM ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7461 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-280-5131, 5306012805131 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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