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) | 00-483-7244 (004837244) |
| NCB Code | USA (00) |
| Manufacturer | Hartzell Propeller Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.375 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.640 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.250 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.374 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.135 INCHES MINIMUM FIRST SHOULDER AND 0.145 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.081 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-483-7244, 5306004837244 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
Request for Quote