| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-646-1663 (016461663) |
| NCB Code | USA (01) |
| Manufacturer | American National Standards |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| B18.3.1M | american national standards | screw cap socket head | 80204 | RFQ |
| B1831BH120050L | american national standards | screw cap socket head | 80204 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 36.0 MILLIMETERS MINIMUM AND 44.8 MILLIMETERS MAXIMUM |
| AASB | FASTENER LENGTH | 50.0 MILLIMETERS NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 17.6 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 11.7 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM |
| AAUM | LOCKING FEATURE | PELLET OR STRIP OR PATCH THREADS |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AGAV | III END ITEM IDENTIFICATION | ENGINE, DIESEL |
| AHYM | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| ASDB | WIDTH ACROSS FLATS | 10.0 MILLIMETERS NOMINAL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.75 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 4G6G |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP HEXAGON SOCKET HEAD (METRIC) |
| MATT | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | ISO M |
| Relevant Components for NSN - 5305-01-646-1663, 5305016461663 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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