| 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 | Austin Westran Llc, Bergstrom Company Limited |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| AASK | ||
| AASU | HEAD HEIGHT | 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.019 INCHES MINIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CRGF | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| AATB | WIDTH BETWEEN FLATS | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.164 INCHES |
| Relevant Components for NSN - 5305-01-355-9444, 5305013559444 | ||||
| 5365-99-998-9980 (5365999989980) | 5365-99-998-9265 (5365999989265) | 5365-99-997-1598 (5365999971598) | 5365-99-996-9236 (5365999969236) | |
| 5365-99-994-0353 (5365999940353) | 5365-99-994-0176 (5365999940176) | 5365-99-992-1527 (5365999921527) | 5365-99-990-8469 (5365999908469) | |
| 5365-99-989-0900 (5365999890900) | 5365-99-987-5556 (5365999875556) | 5365-99-983-0520 (5365999830520) | 5365-99-979-8712 (5365999798712) | |
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