Part Details | SOCKET HEAD CAP SCREW
5305-00-956-5438 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: NAS11894P12N, NAS1189-4P12N, 5305-00-956-5438, 00-956-5438, 5305009565438, 009565438
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 25, 1966 | 00-956-5438 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-956-5438
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1189-4P12N | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-00-956-5438
| 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 | 0.640 INCHES MINIMUM |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SPECIFICATION/STANDARD DATA | 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |