Part Details | SOCKET HEAD CAP SCREW
5305-01-189-8440 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: 2640680X2 PIECE 53, 2640-680X2 PIECE 53, G50556, 8452180772, 845-2180772, SS8452180772 PIECE 53, SS845-2180772 PIECE 53, 5305-01-189-8440, 01-189-8440, 5305011898440, 011898440
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 20, 1984 | 01-189-8440 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-189-8440
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2640-680X2 PIECE 53 | 96169 | ELECTRIC BOAT CORPORATION |
| G50556 | 96169 | ELECTRIC BOAT CORPORATION |
| 845-2180772 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| SS845-2180772 PIECE 53 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5305-01-189-8440
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 13 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.140 INCHES MINIMUM |
| FASTENER LENGTH | 2.250 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |