AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-646-1686 (016461686) |
| NCB Code | USA (01) |
| Manufacturer | American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| B1831BH060025L | american national standards | screw cap socket head | RFQ |
| B18.3.1M | american national standards | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 24.0 MILLIMETERS MINIMUM AND 29.0 MILLIMETERS MAXIMUM |
| AASB | FASTENER LENGTH | 25.0 MILLIMETERS NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 9.7 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 5.8 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM |
| AAUM | LOCKING FEATURE | STRIP OR PELLET OR PATCH THREADS |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AGAV | III END ITEM IDENTIFICATION | ENGINE, DIESEL |
| AHYM | NOMINAL THREAD DIAMETER | 6.0 MILLIMETERS |
| ASDB | WIDTH ACROSS FLATS | 5.0 MILLIMETERS NOMINAL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.0 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 4G6G |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP HEXAGON SOCKET (METRIC) |
| MATT | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | ISO M |
| Relevant Components for NSN - 5305-01-646-1686, 5305016461686 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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