| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-045-9527 (010459527) |
| NCB Code | USA (01) |
| Manufacturer | J M Precision Inc, Sonic Industries Inc, Heartland Precision Fasteners Inc, Hi Shear Corporation, Sps Technologies Ltd, Huck International Inc, Lisi Aerospace, The Boeing Company, Alcoa Global Fasteners Inc, Valley Todeco Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M497-3-26 | j m precision inc | bolt shoulder | RFQ |
| S11-1061-3-26 | sonic industries inc | bolt shoulder | RFQ |
| HP5497-3-26 | heartland precision fasteners inc | bolt shoulder | RFQ |
| MB88-3-26 | hi shear corporation | bolt shoulder | RFQ |
| 109450-3-26 | sps technologies ltd | bolt shoulder | RFQ |
| PBF1254-3-26 | sps technologies ltd | bolt shoulder | RFQ |
| BM17019-3-26X | huck international inc | bolt shoulder | RFQ |
| MB88-3-26 | lisi aerospace | bolt shoulder | RFQ |
| ST3M497-3-26 | the boeing company | bolt shoulder | RFQ |
| VS3037-3-26 | alcoa global fasteners inc | bolt shoulder | RFQ |
| VAL23607-3-26 | valley todeco inc | 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 | 1.940 INCHES MINIMUM AND 1.987 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 | 1.615 INCHES MINIMUM FIRST SHOULDER AND 1.635 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 - 5306-01-045-9527, 5306010459527 | ||||
| 5365-99-998-9980 (5365999989980) | 5365-99-998-9265 (5365999989265) | 5365-99-997-1598 (5365999971598) | 5365-99-996-9236 (5365999969236) | |
| 5365-99-994-0353 (5365999940353) | 5365-99-994-0176 (5365999940176) | 5365-99-992-1527 (5365999921527) | 5365-99-990-8469 (5365999908469) | |
| 5365-99-989-0900 (5365999890900) | 5365-99-987-5556 (5365999875556) | 5365-99-983-0520 (5365999830520) | 5365-99-979-8712 (5365999798712) | |
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