| Item Name | Bolt Internally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-306-2786 (013062786) |
| NCB Code | USA (01) |
| Manufacturer | Apex Manufacturing Company Inc, Sikorsky Aircraft Corporation, Acufast Aircraft Products Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 65850-05221-105 | apex manufacturing company inc | bolt internally relieved body | RFQ |
| 65850-05221-105 | sikorsky aircraft corporation | bolt internally relieved body | RFQ |
| 65850-05221-105 | acufast aircraft products inc | bolt internally relieved body | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.778 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 5.015 INCHES NOMINAL |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| AASL | HEAD DIAMETER | 1.625 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.300 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.625 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.265 INCHES NOMINAL FIRST HOLE |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-306-2786, 5306013062786 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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