AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-370-0819 (003700819) |
| NCB Code | USA (00) |
| Manufacturer | Zf Industrieantriebe Witten Gmbh, Telemechanics Inc, Lucent Technologies Inc, At And T Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.312 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.476 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.094 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.250 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.047 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.219 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 40 |
| MATT | MATERIAL | STEEL COMP 1013 OVERALL |
| SFTT | SURFACE TREATMENT | CHROMATE ZINC OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-370-0819, 5305003700819 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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