| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-186-9552 (001869552) |
| NCB Code | USA (00) |
| Manufacturer | Mercury Aerospace Fasteners Inc, Ms Aerospace Inc, Alcoa Global Fasteners Inc, Universal Target Co, Necchi Spa, North Bridge Fasteners Inc, United Technologies Corporation, Blanc Aero Industries Uk Ltd |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 699670 | mercury aerospace fasteners inc | bolt shoulder | RFQ |
| 699670 | ms aerospace inc | bolt shoulder | RFQ |
| 699670 | alcoa global fasteners inc | bolt shoulder | RFQ |
| 699670 | universal target co | bolt shoulder | RFQ |
| 699670 | necchi spa | bolt shoulder | RFQ |
| 699670 | north bridge fasteners inc | bolt shoulder | RFQ |
| 699670 | united technologies corporation | bolt shoulder | RFQ |
| 699670 | blanc aero industries uk ltd | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.751 INCHES MINIMUM AND 0.945 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM |
| AATN | SHOULDER DIAMETER | 0.3450 INCHES MINIMUM FIRST SHOULDER AND 0.3550 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.065 INCHES MINIMUM FIRST SHOULDER AND 0.069 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.070 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASXK | HOLE QUANTITY | 4 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-00-186-9552, 5306001869552 | ||||
| 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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