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) | 01-141-7913 (011417913) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, West Coast Aerospace Inc, Boeing Company The, Alcoa Global Fasteners Inc, Huck International Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation, Sps Technologies Inc, Fastener Innovation Technology Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 10420243 | nimikkeistokeskus ncb finland | screw shoulder | RFQ |
| WC4008-5-20 | west coast aerospace inc | screw shoulder | RFQ |
| ST3M496-5-20 | boeing company the | screw shoulder | RFQ |
| ST3M496-5-20 | alcoa global fasteners inc | screw shoulder | RFQ |
| HT4008-5-20 | huck international inc | screw shoulder | RFQ |
| ST3M496-5-20 | lisi aerospace canada corp | screw shoulder | RFQ |
| HT4008-5-20 | hi shear corporation | screw shoulder | RFQ |
| HT4008-5-20 | lisi aerospace canada corp | screw shoulder | RFQ |
| HT4008-5-20 | sps technologies inc | screw shoulder | RFQ |
| ST3M496-5-20 | sps technologies inc | screw shoulder | RFQ |
| ST3M496-5-20 | huck international inc | screw shoulder | RFQ |
| ST3M496-5-20 | fastener innovation technology inc | screw shoulder | RFQ |
| HT4008-5-20 | alcoa global fasteners inc | screw shoulder | RFQ |
| ST3M496-5-20 | hi shear corporation | screw shoulder | RFQ |
| ST3M496-5-20 | west coast aerospace inc | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.442 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.702 INCHES MINIMUM AND 1.732 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.3271 INCHES MINIMUM FIRST SHOULDER AND 0.3276 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.114 INCHES MINIMUM FIRST SHOULDER AND 1.134 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-141-7913, 5305011417913 | ||||
| 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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