NSN 5305-00-139-6547
Part Details | SOCKET HEAD CAP SCREW
5305-00-139-6547 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: S1420X78N, S1-4-20X7-8N, 414585142014N, 414585-1420-14N, 5305-00-139-6547, 00-139-6547, 5305001396547, 001396547
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 10, 1971 | 00-139-6547 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-139-6547
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S1-4-20X7-8N | 97539 | A P M HEXSEAL CORPORATION |
| 414585-1420-14N | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
Technical Data | NSN 5305-00-139-6547
| 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 | 0.825 INCHES MINIMUM |
| FASTENER LENGTH | 0.875 INCHES NOMINAL |
| HEAD STYLE | 7 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.493 INCHES MAXIMUM |
| HEAD HEIGHT | 0.148 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | FURNISHED WITH 1 SILICONE RUBBER O RING |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |