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) | 01-072-4705 (010724705) |
| NCB Code | USA (01) |
| Manufacturer | Fastener Innovation Technology Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, Huck International Inc, Boeing Company The, Alcoa Global Fasteners Inc, Reid Products Inc, Mecair Aerospace Industries Inc, Hi Shear Corporation, West Coast Aerospace Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M495-4-12-1 | fastener innovation technology inc | screw shoulder | RFQ |
| HT4016-4-12X | lisi aerospace canada corp | screw shoulder | RFQ |
| HT4016-4-12X | sps technologies inc | screw shoulder | RFQ |
| HT4016-4-12X | huck international inc | screw shoulder | RFQ |
| ST3M495-4-12-1 | boeing company the | screw shoulder | RFQ |
| HT4016-4-12X | alcoa global fasteners inc | screw shoulder | RFQ |
| 11911-4-12-1 | reid products inc | screw shoulder | RFQ |
| ST3M495-4-12-1 | mecair aerospace industries inc | screw shoulder | RFQ |
| HT4016-4-12X | hi shear corporation | screw shoulder | RFQ |
| WC4010-4-12 | west coast aerospace inc | screw shoulder | RFQ |
| ST3M495-4-12-1 | alcoa global fasteners inc | screw shoulder | RFQ |
| HT4010-4-12 | hi shear corporation | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.131 INCHES MINIMUM AND 1.178 INCHES MAXIMUM |
| AASK | HEAD STYLE | FILLISTER COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.015 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.696 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THREAD END,0.095 IN. NOM. WIDTH ACROSS FLATS |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-072-4705, 5305010724705 | ||||
| 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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