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) | 01-646-1641 (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 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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