AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-491-0201 (014910201) |
| NCB Code | USA (01) |
| Manufacturer | Fastenal Company, Accurate Manufactured Products Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | ROCKWELL HARDNESS C32-43 |
| MATT | Material | STEEL OVERALL |
| CMLP | Thread Quantity Per Inch | 13 |
| AASK | Head Style | KNURLED NO. 2 |
| THSD | Thread Series Designator | UNC |
| ABQZ | Internal Drive Style | HEXAGON |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.500 INCHES |
| AASL | Head Diameter | 0.875 INCHES NOMINAL |
| AASA | Thread Length | 0.750 INCHES NOMINAL |
| AATN | Shoulder Diameter | 0.005 INCHES NOMINAL OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| AASB | Fastener Length | 5.750 INCHES NOMINAL |
| AAJD | Thread Class | 3A |
| ASDB | Width Across Flats | 0.313 INCHES NOMINAL |
| AASU | Head Height | 0.375 INCHES NOMINAL |
| Relevant Components for NSN - 5305-01-491-0201, 5305014910201 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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