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) | 00-823-5940 (008235940) |
| NCB Code | USA (00) |
| Manufacturer | General Regulator Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.188 INCHES MINIMUM |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AATN | SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER |
| ASDB | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.594 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.275 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 0.406 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-823-5940, 5305008235940 | ||||
| 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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