Part Details | SOCKET HEAD CAP SCREW
5305-01-296-7812 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: 51618UNC3AX134 IN. LG, STL, 5/16-18UNC-3AX1-3/4 IN. LG, STL, M1222SN5C328GJNN, MILS1222, MIL-S-1222, MILDTL1222, MIL-DTL-1222, 5305-01-296-7812, 01-296-7812, 5305012967812, 012967812
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 23, 1989 | 01-296-7812 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-296-7812
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5/16-18UNC-3AX1-3/4 IN. LG, STL | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| M1222SN5C328GJNN | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MIL-S-1222 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 5305-01-296-7812
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.120 INCHES MINIMUM AND 1.710 INCHES MAXIMUM |
| FASTENER LENGTH | 1.710 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| 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 |