Part Details | SOCKET HEAD CAP SCREW
5305-01-398-9473 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: ANSI B.18.3.14UNCX34.T2A.S, ANSI B.18.3.1/4UNCX3/4.T2A.S, ANSI B.18.3.14UNCX34.T2.S, ANSI B.18.3.1/4UNCX3/4.T2.S, F52511164501, F525-11164-501, 5305-01-398-9473, 01-398-9473, 5305013989473, 013989473
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 11, 1994 | 01-398-9473 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
HEXAGON
Cross Reference | NSN 5305-01-398-9473
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ANSI B.18.3.1/4UNCX3/4.T2A.S | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| ANSI B.18.3.1/4UNCX3/4.T2.S | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| F525-11164-501 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
Technical Data | NSN 5305-01-398-9473
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.489 INCHES MINIMUM AND 0.589 INCHES MAXIMUM |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM |