Part Details | SOCKET HEAD CAP SCREW
5305-01-390-2842 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: 0.25028UNF3A 0.625, 0.250-28UNF-3A 0.625, MILS1222, MIL-S-1222, 0.25028UNF3A0.625T2G500SEB, MILDTL1222, MIL-DTL-1222, 8016641184FNA30, 801-6641184FNA30, 5305-01-390-2842, 01-390-2842, 5305013902842, 013902842
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 16, 1994 | 01-390-2842 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-390-2842
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 0.250-28UNF-3A 0.625 | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| MIL-S-1222 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 0.25028UNF3A0.625T2G500SEB | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 801-6641184FNA30 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5305-01-390-2842
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.554 INCHES NOMINAL |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |