Part Details | SOCKET HEAD CAP SCREW
5305-01-407-3521 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Alternate Parts: 0.31218UNC2A0.750T2GB7SEA, 0.31218UNC2A0.750T2GB7SEA, M1222SN5C212GANN, MILS1222, MIL-S-1222, MILDTL1222, MIL-DTL-1222, 010800403LOC813, 01080-0403LOC8-13, 5305-01-407-3521, 01-407-3521, 5305014073521, 014073521
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 26, 1995 | 01-407-3521 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-407-3521
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 0.31218UNC2A0.750T2GB7SEA | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| 0.31218UNC2A0.750T2GB7SEA | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| M1222SN5C212GANN | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MIL-S-1222 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 01080-0403LOC8-13 | 17454 | TIMKEN GEARS & SERVICES INC.DBA PHILADELPHIA GEAR |
Technical Data | NSN 5305-01-407-3521
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND B7 GRADE |