Part Details | SOCKET HEAD CAP SCREW
5305-01-255-6541 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: LD11100580406, LD111-0058-0406, 5305-01-255-6541, 01-255-6541, 5305012556541, 012556541
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 23, 1987 | 01-255-6541 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-255-6541
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| LD111-0058-0406 | 43999 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 5305-01-255-6541
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.330 INCHES MINIMUM AND 0.451 INCHES MAXIMUM |
| FASTENER LENGTH | 0.786 INCHES MINIMUM AND 0.816 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |