Part Details | PANEL SCREW ASSEMBLY
5305-01-279-2343 A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.
Alternate Parts: CA2814112, CA28141-12, FT182012S12, FT1820-12S12, C79974S12, C7997-4S12, 5305-01-279-2343, 01-279-2343, 5305012792343, 012792343
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 16, 1988 | 01-279-2343 | 33044 ( SCREW ASSEMBLY, PANEL ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
CROSS RECESS TYPE II
Cross Reference | NSN 5305-01-279-2343
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| CA28141-12 | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| FT1820-12S12 | 58794 | FASTENER TECHNOLOGY CORP. |
| C7997-4S12 | 81755 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 5305-01-279-2343
| 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 | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| FASTENER LENGTH | 1.060 INCHES NOMINAL |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.180 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 1 CROSS RECESS TYPE II |