AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-741-1426 (007411426) |
| NCB Code | USA (00) |
| Manufacturer | Quality Socket Screw Corporation, Newark Electronics Corporation, General Motors Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | PAN NO. 2 |
| AAVP | RIB MAJOR DIAMETER | 0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.031 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.875 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.625 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.438 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.188 INCHES NOMINAL FIRST SHOULDER |
| AAVQ | RIB LENGTH | 0.156 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.3446 TO 0.3479 INCHES |
| CQBC | MINIMUM TENSILE STRENGTH | 110000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 20.0 ROCKWELL C MINIMUM OVERALL AND 25.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 1040 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5306-00-741-1426, 5306007411426 | ||||
| 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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