| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-878-6306 (008786306) |
| NCB Code | USA (00) |
| Manufacturer | British Aerospace Inc, British Standards Institution, Martin Baker Aircraft Co Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.298 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 50000 POUNDS PER SQUARE INCH |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 FED STD SINGLE TREATMENT RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | BA |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 4.7 MILLIMETERS |
| CQQR | THREAD PITCH IN MILLIMETERS | 0.81 |
| CRSQ | COUNTERSINK ANGLE | 89.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| CYAU | SCREW MATERIAL | STEEL |
| Relevant Components for NSN - 5305-00-878-6306, 5305008786306 | ||||
| 5315-01-392-6539 (5315013926539) | 5305-00-370-0922 (5305003700922) | 5330-00-108-1053 (5330001081053) | 5305-00-282-3260 (5305002823260) | |
| 5310-00-825-0783 (5310008250783) | 5365-01-200-6930 (5365012006930) | 5340-01-352-9365 (5340013529365) | 5330-01-231-5219 (5330012315219) | |
| 5331-01-452-9668 (5331014529668) | 5305-00-151-8683 (5305001518683) | 5320-00-323-6041 (5320003236041) | 5330-00-516-3829 (5330005163829) | |
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