Part Details | SOCKET HEAD CAP SCREW
5305-01-278-1978 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: NAS119004P20N, NAS1190-04P20N, 630079704P20N, 6300797-04P20N, 5305-01-278-1978, 01-278-1978, 5305012781978, 012781978
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 03, 1988 | 01-278-1978 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-278-1978
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1190-04P20N | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| 6300797-04P20N | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5305-01-278-1978
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.138 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| FASTENER LENGTH | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 2 DISHED HEXAGON |
| HEAD DIAMETER | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SPECIFICATION/STANDARD DATA | 80205-NAS1190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |