AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Tapping |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-355-9444 (013559444) |
| NCB Code | USA (01) |
| Manufacturer | Bergstrom Inc, Austin Westran Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATC | EXTENDED WASHER DIAMETER | 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.019 INCHES MINIMUM |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.164 INCHES |
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| CRGF | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| Relevant Components for NSN - 5305-01-355-9444, 5305013559444 | ||||
| 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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