| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-558-1791 (015581791) |
| NCB Code | USA (01) |
| Manufacturer | Aeronautical Standards Group, Federal Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| AN520C416-64 | aeronautical standards group | screw machine | 88044 | RFQ |
| FF-S-92 | federal specifications | screw machine | 81348 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | 1.750 INCHES MINIMUM |
| AASK | HEAD STYLE | ROUND |
| AASU | HEAD HEIGHT | 0.175 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CYAU | SCREW MATERIAL | STEEL CORROSION RESISTING |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 4.000 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-01-558-1791, 5305015581791 | ||||
| 5330-00-037-6893 (5330000376893) | 5307-00-803-5029 (5307008035029) | 5306-00-638-8373 (5306006388373) | 5330-01-185-7225 (5330011857225) | |
| 5365-00-089-1699 (5365000891699) | 5331-01-025-7783 (5331010257783) | 5330-01-362-7880 (5330013627880) | 5307-01-286-8388 (5307012868388) | |
| 5340-01-407-7865 (5340014077865) | 5340-01-609-2404 (5340016092404) | 5330-01-167-2303 (5330011672303) | 5340-01-145-4055 (5340011454055) | |
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