Part Details | SOCKET HEAD CAP SCREW
5305-01-139-6079 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: 680996918, 6809969-18, 674423821, 6744238-21, 400 5489320 REVITEM 18, 400 5489320 REV-ITEM 18, 4491157B44, 4491157-B-44, SS4264491157B44, SS4264491157-B-44, 5305-01-139-6079, 01-139-6079, 5305011396079, 011396079
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 05, 1982 | 01-139-6079 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
HEXAGON
Cross Reference | NSN 5305-01-139-6079
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6809969-18 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6744238-21 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 400 5489320 REV-ITEM 18 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 4491157-B-44 | 25685 | NAVAL SHIP ENGINEERING CENTERPHILADELPHIA DIVISION |
| SS4264491157-B-44 | 25685 | NAVAL SHIP ENGINEERING CENTERPHILADELPHIA DIVISION |
Technical Data | NSN 5305-01-139-6079
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 13 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.915 INCHES MINIMUM AND 1.069 INCHES MAXIMUM |
| FASTENER LENGTH | 1.320 INCHES MINIMUM AND 1.380 INCHES MAXIMUM |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.872 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |