| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-646-1641 (016461641) |
| NCB Code | USA (01) |
| Manufacturer | American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| B1831DH020060L | american national standards | screw cap socket head | RFQ |
| ASME B18.3.1M | american national standards | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASU | Head Height | 1.9 MILLIMETERS MINIMUM AND 2.0 MILLIMETERS MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| CXCY | Part Name Assigned By Controlling Agency | SCREW CAP HEXAGON SOCKET HEAD (METRIC) |
| MATT | Material | STEEL CORROSION RESISTING OVERALL |
| AASA | Thread Length | 16.0 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM |
| AASB | Fastener Length | 60.0 MILLIMETERS NOMINAL |
| AASL | Head Diameter | 3.6 MILLIMETERS MINIMUM AND 3.8 MILLIMETERS MAXIMUM |
| ABQZ | Internal Drive Style | HEXAGON |
| AGAV | End Item Identification | ENGINE, DIESEL |
| THSD | Thread Series Designator | ISO M |
| CQWR | External Thread Tolerance Class | 4G6G |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 2.0 MILLIMETERS |
| AAUM | Locking Feature | PELLET OR STRIP OR PATCH THREADS |
| CQQR | Thread Pitch In Millimeters | 0.4 |
| ASDB | Width Across Flats | 1.5 MILLIMETERS NOMINAL |
| AASK | Head Style | FLAT CHAMFER |
| Relevant Components for NSN - 5305-01-646-1641, 5305016461641 | ||||
| 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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