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 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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