Part Details | SOCKET HEAD CAP SCREW
5305-01-054-2521 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: CA21048HS, CA2104-8HS, CA21048HS, CA2104-8HS, 5305-01-054-2521, 01-054-2521, 5305010542521, 010542521
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 17, 1978 | 01-054-2521 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
HEXAGON
Cross Reference | NSN 5305-01-054-2521
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| CA2104-8HS | D0680 | ALCOA FASTENING SYSTEMSFAIRCHILDFASTENERS EUROPE - CAMLOC |
| CA2104-8HS | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
Technical Data | NSN 5305-01-054-2521
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.487 INCHES NOMINAL |
| FASTENER LENGTH | 1.187 INCHES MINIMUM AND 1.207 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.360 INCHES MINIMUM AND 0.399 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| SPECIAL FEATURES | DOUBLE LEAD THD |