| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-431-9987 (014319987) |
| NCB Code | USA (01) |
| Manufacturer | Din Deutsches Institut, Tts Marine Inc, Ncb Hungary Honvedsegi Egyseges, J Blackwood & Son Ltd, Hamworthy Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| DIN7991-M8X30-8.8 | din deutsches institut | screw cap socket head | RFQ |
| M8X30 DIN7991 M8 8 | tts marine inc | screw cap socket head | RFQ |
| 456651004101 | ncb hungary honvedsegi egyseges | screw cap socket head | RFQ |
| 01251502 | j blackwood & son ltd | screw cap socket head | RFQ |
| M8X30 DIN7991 M8 8 | hamworthy inc | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT COUNTERSUNK |
| ASDB | Width Across Flats | 5.02 MILLIMETERS MINIMUM AND 5.14 MILLIMETERS MAXIMUM |
| ABQZ | Internal Drive Style | HEXAGON |
| MRC | Decoded Requirement | Clear Text Reply |
| AHYM | Nominal Thread Diameter | 8.0 MILLIMETERS |
| CQQR | Thread Pitch In Millimeters | 1.25 |
| MATT | Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| AASB | Fastener Length | 30.0 MILLIMETERS NOMINAL |
| AASA | Thread Length | 22.0 MILLIMETERS MINIMUM |
| AASL | Head Diameter | 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM |
| CRSQ | Countersink Angle | 90.0 DEGREES NOMINAL AND 92.0 DEGREES MAXIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| THSD | Thread Series Designator | M |
| CQWR | External Thread Tolerance Class | 6G |
| Relevant Components for NSN - 5305-01-431-9987, 5305014319987 | ||||
| 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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