AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-044-2995 (010442995) |
| NCB Code | USA (01) |
| Manufacturer | Huck International Inc, Reid Products Inc, Valley Todeco Inc, Heartland Precision Fasteners In, Sps Technologies Inc, Houston Precision Fastener L L C, Lisi Aerospace Canada Corp, Sonic Industries Inc, West Coast Aerospace Inc, Hi Shear Corporation, Alcoa Global Fasteners Inc, B And B Specialties Inc, Fastener Innovation Technology Inc, Boeing Company The |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| BM17019-4D27X | huck international inc | bolt shoulder | RFQ |
| 11915-4D27 | reid products inc | bolt shoulder | RFQ |
| VAL23607-4D27 | valley todeco inc | bolt shoulder | RFQ |
| HP5497-4D27 | heartland precision fasteners in | bolt shoulder | RFQ |
| ST3M497-4D27 | sps technologies inc | bolt shoulder | RFQ |
| ST3M497-4D27 | houston precision fastener l l c | bolt shoulder | RFQ |
| MB88-4D27 | lisi aerospace canada corp | bolt shoulder | RFQ |
| 109450-4D27 | sps technologies inc | bolt shoulder | RFQ |
| S11-1061-4D27 | sonic industries inc | bolt shoulder | RFQ |
| WC497-4D27 | west coast aerospace inc | bolt shoulder | RFQ |
| MB88-4D27 | hi shear corporation | bolt shoulder | RFQ |
| ST3M497-4D27 | heartland precision fasteners in | bolt shoulder | RFQ |
| VS3037-4D27 | alcoa global fasteners inc | bolt shoulder | RFQ |
| ST3M497-4D27 | b and b specialties inc | bolt shoulder | RFQ |
| 109453-4D27X | sps technologies inc | bolt shoulder | RFQ |
| ST3M497-4D27 | fastener innovation technology inc | bolt shoulder | RFQ |
| PBF1254-4D27 | sps technologies inc | bolt shoulder | RFQ |
| ST3M497-4D27 | boeing company the | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.069 INCHES MINIMUM AND 2.116 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON |
| AASU | HEAD HEIGHT | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM FIRST SHOULDER AND 0.2652 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.678 INCHES MINIMUM FIRST SHOULDER AND 1.698 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.081 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.948 INCHES MINIMUM FIRST HOLE AND 2.005 INCHES MAXIMUM FIRST HOLE |
| 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 - 5306-01-044-2995, 5306010442995 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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