| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-638-9987 (006389987) |
| NCB Code | USA (00) |
| Manufacturer | Aeronautical Standards Group, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| AN509C416-14 | aeronautical standards group | screw machine | 88044 | RFQ |
| MILS7839 | national aerospace standards com | screw machine | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CYBA | Screw Surface Treatment | PASSIVATE |
| AASK | Head Style | FLAT COUNTERSUNK |
| THSD | Thread Series Designator | UNF |
| ABQZ | Internal Drive Style | SLOT |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AASB | Fastener Length | 0.890 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |
| CRSQ | Countersink Angle | 100.0 DEGREES NOMINAL |
| CQBC | Minimum Tensile Strength | 85000 POUNDS PER SQUARE INCH |
| CYAU | Screw Material | STEEL CORROSION RESISTING |
| AASL | Head Diameter | 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AASA | Thread Length | 0.531 INCHES MINIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| CMLP | Thread Quantity Per Inch | 28 |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJD | Thread Class | 3A |
| Components Related to NSN - 5305-00-638-9987, 5305006389987 | ||||
| 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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