| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-616-5050 (016165050) |
| NCB Code | USA (01) |
| Manufacturer | Fastenal Company, Kalmar Rt Center Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.2500 INCHES |
| MATT | Material | STEEL OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| AASB | Fastener Length | 0.750 INCHES NOMINAL |
| AASK | Head Style | TRUSS |
| AAUJ | Spline Major Diameter | 0.200 INCHES NOMINAL |
| THSD | Thread Series Designator | UNC |
| AASL | Head Diameter | 0.546 INCHES MINIMUM AND 0.573 INCHES MAXIMUM |
| CXCY | Part Name Assigned By Controlling Agency | 1/4-20X3/4 ZINC TRUSS HEAD SIX-LOBE ASME B18.6.3 FULLY THREADED MACHINE SCREW |
| MRC | Decoded Requirement | Clear Text Reply |
| ABQZ | Internal Drive Style | TORX |
| AAJD | Thread Class | 2A |
| AASA | Thread Length | 0.750 INCHES NOMINAL |
| SFTT | Surface Treatment | ZINC OVERALL |
| AGAV | End Item Identification | 3930-01-599-9978 |
| STDC | Surface Treatment Document And Classification | FE/ZN 3AT PER ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| CQBC | Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH |
| AAUH | Spline Minor Diameter | 0.200 INCHES NOMINAL |
| CMLP | Thread Quantity Per Inch | 20 |
| MDCL | Material Document And Classification | CARBON STEEL MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AASU | Head Height | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| Components Related to NSN - 5305-01-616-5050, 5305016165050 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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