AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Assembly Turnlock Fastener |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-831-0721 (008310721) |
| NCB Code | USA (00) |
| Manufacturer | Specialty Fasteners And Components Ltd, Arconic Global Fasteners And Rings, Alcoa Fastening Systems Ltd, Airbus Helicopters Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 40S41-3S | specialty fasteners and components ltd | stud assembly turnlock fastener | RFQ |
| 40S41-3S | arconic global fasteners and rings | stud assembly turnlock fastener | RFQ |
| 40S41-3S | alcoa fastening systems ltd | stud assembly turnlock fastener | RFQ |
| 55137-003 | airbus helicopters inc | stud assembly turnlock fastener | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMZ | DIAMETER | 0.380 INCHES NOMINAL |
| ADQB | SECURING DEVICE TYPE | WASHER |
| AGRD | TURNLOCK STUD HEAD STYLE | STUD HEAD |
| AGRE | STUD ASSEMBLY STYLE | STUD ASSEMBLY |
| AGRF | DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD | 0.488 INCHES NOMINAL |
| AGRK | EYELET LENGTH | 0.257 INCHES NOMINAL |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | 0.111 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AKCV | DRIVE TYPE | CROSS RECESS |
| CQYY | STUD HEAD HEIGHT | 0.102 INCHES NOMINAL |
| AGRH | EYELET OUTSIDE DIAMETER | 0.345 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 5325-00-831-0721, 5325008310721 | ||||
| 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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