Part Details | SOCKET HEAD CAP SCREW
5305-01-309-4781 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: FFS86, FF-S-86, MS2467842, MS24678-42, MS2467842, MS24678-42, 5305-01-309-4781, 01-309-4781, 5305013094781, 013094781
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 19, 1989 | 01-309-4781 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
DOUBLE HEXAGON FLATS
Cross Reference | NSN 5305-01-309-4781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FF-S-86 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| MS24678-42 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS24678-42 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-309-4781
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.512 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| FASTENER LENGTH | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | 1 DOUBLE HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 3 |
| HOLE DIAMETER | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | 6 TYPE |