| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-950-3308 (009503308) |
| NCB Code | USA (00) |
| Manufacturer | Chandler Products, Alcoa Global Fasteners Inc, Mercury Aerospace Fasteners Inc, Valley Todeco Inc, J W Harris Co Inc, Sey Tec Inc, General Electric Company, Sps Technologies Inc, Bristol Industries |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 336C544P2 | chandler products | bolt shoulder | RFQ |
| 336C544P2 | alcoa global fasteners inc | bolt shoulder | RFQ |
| 336C544P2 | mercury aerospace fasteners inc | bolt shoulder | RFQ |
| 336C544P2 | valley todeco inc | bolt shoulder | RFQ |
| 336C544P2 | j w harris co inc | bolt shoulder | RFQ |
| 336C544P2 | sey tec inc | bolt shoulder | RFQ |
| 336C544P2 | general electric company | bolt shoulder | RFQ |
| 336C544P2 | sps technologies inc | bolt shoulder | RFQ |
| 336C544P2 | bristol industries | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.314 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.076 INCHES MINIMUM AND 1.096 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.158 INCHES MINIMUM AND 0.178 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.303 INCHES MINIMUM FIRST SHOULDER AND 0.305 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.660 INCHES MINIMUM FIRST SHOULDER AND 0.670 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.2213/0.2238 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM THREADS |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM GRIP |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 850T12A,FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-950-3308, 5306009503308 | ||||
| 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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