Part Details | SOCKET HEAD CAP SCREW
5305-01-274-1256 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: M63CR420165, M63CR420-165, 38031K4C16, 38031K-4C-16, TN33CR040J12PS, 13234155, 5305-01-274-1256, 01-274-1256, 5305012741256, 012741256
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 05, 1988 | 01-274-1256 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-274-1256
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| M63CR420-165 | 17910 | NYLOK CORPORATIONDBA AEROSPACE NYLOK |
| 38031K-4C-16 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| TN33CR040J12PS | 26304 | TORKON FASTENER CORP |
| 13234155 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5305-01-274-1256
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNRC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.868 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| FASTENER LENGTH | 0.968 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 DISHED HEXAGON |
| HEAD DIAMETER | 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM |
| HEAD HEIGHT | 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM |