Part Details | SOCKET HEAD CAP SCREW
5305-00-639-5238 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: S232907417A, S2329074-17A, S232907417A, S2329074-17A, 5305-00-639-5238, 00-639-5238, 5305006395238, 006395238
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-639-5238 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
HEXAGON
Cross Reference | NSN 5305-00-639-5238
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S2329074-17A | 88277 | BOEING COMPANY, THEDBA BOEING |
| S2329074-17A | 18355 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 5305-00-639-5238
| 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 | 0.328 INCHES MINIMUM |
| FASTENER LENGTH | 1.766 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |