| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-878-6319 (008786319) |
| NCB Code | USA (00) |
| Manufacturer | British Standards Institution, Martin Baker Aircraft Co Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.499 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CYAU | SCREW MATERIAL | STEEL |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | A.113,FSCM K7766 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASB | FASTENER LENGTH | 0.700 INCHES MINIMUM AND 0.740 INCHES MAXIMUM |
| AASK | HEAD STYLE | BUTTON |
| AASL | HEAD DIAMETER | 0.546 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| Components Related to NSN - 5305-00-878-6319, 5305008786319 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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