| 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 Standards Institution, British Aerospace Inc, 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 |
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