Part Details | SOCKET HEAD CAP SCREW
5305-01-267-4979 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: 7249122P003, 7249122P003VM, 5305-01-267-4979, 01-267-4979, 5305012674979, 012674979
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 12, 1987 | 01-267-4979 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
DOUBLE HEXAGON FLATS
Cross Reference | NSN 5305-01-267-4979
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7249122P003 | 03538 | LOCKHEED MARTIN CORPORATIONDIV RMS |
| 7249122P003VM | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
Technical Data | NSN 5305-01-267-4979
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.750 INCHES NOMINAL |
| HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | 1 DOUBLE HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 2 |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |