| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-044-6542 (010446542) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc, J M Precision Inc, Sps Technologies Inc, Lisi Aerospace Canada Corp, Huck International Inc, Valley Todeco Inc, Hi Shear Corporation, Fastener Innovation Technology Inc, Sonic Industries Inc, Boeing Company The, Heartland Precision Fasteners In |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| VS3037-3-18 | alcoa global fasteners inc | bolt shoulder | RFQ |
| ST3M497-3-18 | j m precision inc | bolt shoulder | RFQ |
| 109453-3-18X | sps technologies inc | bolt shoulder | RFQ |
| MB88-3-18 | lisi aerospace canada corp | bolt shoulder | RFQ |
| ST3M497-3-18 | huck international inc | bolt shoulder | RFQ |
| BM17019-3-18X | huck international inc | bolt shoulder | RFQ |
| VAL23607-3-18 | valley todeco inc | bolt shoulder | RFQ |
| MB88-3-18 | hi shear corporation | bolt shoulder | RFQ |
| ST3M497-3-18 | fastener innovation technology inc | bolt shoulder | RFQ |
| PBF1254-3-18 | sps technologies inc | bolt shoulder | RFQ |
| S11-1061-3-18 | sonic industries inc | bolt shoulder | RFQ |
| ST3M497-3-18 | boeing company the | bolt shoulder | RFQ |
| 109450-3-18 | sps technologies inc | bolt shoulder | RFQ |
| ST3M497-3-18 | alcoa global fasteners inc | bolt shoulder | RFQ |
| HP5497-3-18 | heartland precision fasteners in | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.440 INCHES MINIMUM AND 1.487 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON |
| AASU | HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.202 INCHES MINIMUM FIRST SHOULDER AND 0.203 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.115 INCHES MINIMUM FIRST SHOULDER AND 1.135 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 76301-ST3-497 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5306-01-044-6542, 5306010446542 | ||||
| 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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