NSN 5305-00-143-2421
Part Details | SOCKET HEAD CAP SCREW
5305-00-143-2421 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, 5305-00-143-2421, 00-143-2421, 5305001432421, 001432421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 10, 1973 | 00-143-2421 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
HEXAGON
Cross Reference | NSN 5305-00-143-2421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFS86 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5305-00-143-2421
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MAXIMUM |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.311 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | 4 TYPE |