| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-878-6303 (008786303) |
| NCB Code | USA (00) |
| Manufacturer | Martin Baker Aircraft Co Ltd, British Standards Institution |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CRSQ | COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| CYAU | SCREW MATERIAL | STEEL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.560 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.625 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.242 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 3.6 MILLIMETERS |
| CQBC | MINIMUM TENSILE STRENGTH | 50000 POUNDS PER SQUARE INCH |
| CQQR | THREAD PITCH IN MILLIMETERS | 0.66 |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 FED STD SINGLE TREATMENT RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | BA |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| Relevant Components for NSN - 5305-00-878-6303, 5305008786303 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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