Part Details | SOCKET HEAD CAP SCREW
5305-00-990-6431 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: 7188604, P15C798954, P15C7989-54, MS2467820C, MS24678-20C, MS2467820, MS24678-20, MS2467820C, MS24678-20C, MS2467820, MS24678-20, P15C798954, P15C7989-54, P15C798954, P15C7989-54, 5305-00-990-6431, 00-990-6431, 5305009906431, 009906431
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-990-6431 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
DOUBLE HEXAGON FLATS
Cross Reference | NSN 5305-00-990-6431
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7188604 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
| P15C7989-54 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
| MS24678-20C | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS24678-20 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS24678-20C | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| MS24678-20 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| P15C7989-54 | 83843 | SUNDSTRAND CORPELECTRIC POWER SYSTEMS DIV |
| P15C7989-54 | 88109 | WESTINGHOUSE ELECTRIC CORPSMALL MOTOR DIV |
Technical Data | NSN 5305-00-990-6431
| 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 | 0.445 INCHES MINIMUM |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | 1 DOUBLE HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 6 |
| HOLE DIAMETER | 0.050 INCHES NOMINAL |