| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-579-1931 (005791931) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.164 INCHES |
| THSD | Thread Series Designator | UNC |
| CMLP | Thread Quantity Per Inch | 32 |
| AAJF | Thread Direction | RIGHT-HAND |
| AASL | Head Diameter | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| CYAU | Screw Material | COPPER ALLOY |
| ABQZ | Internal Drive Style | SLOT |
| AAJD | Thread Class | 2A |
| MRC | Decoded Requirement | Clear Text Reply |
| AASB | Fastener Length | 3.000 INCHES NOMINAL |
| ZZZT | Nondefinitive Spec/Std Data | 1 TYPE AND 4S STYLE |
| AASU | Head Height | 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
| AASA | Thread Length | 1.750 INCHES MINIMUM |
| CYAW | Screw Material Document And Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE |
| AASK | Head Style | FILLISTER |
| CQBC | Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH |
| Relevant Components for NSN - 5305-00-579-1931, 5305005791931 | ||||
| 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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