Part Details | PANEL SCREW ASSEMBLY
5305-01-221-4198 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: CA131704312HS, CA-13170-4-3-12HS, 58275210010, 5827521-0010, 13237951, 5305-01-221-4198, 01-221-4198, 5305012214198, 012214198
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 28, 1985 | 01-221-4198 | 33044 ( SCREW ASSEMBLY, PANEL ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-221-4198
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| CA-13170-4-3-12HS | 29372 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| 5827521-0010 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 13237951 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5305-01-221-4198
| 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 | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| HEAD STYLE | 9 CROWNED HEXAGON |
| HEAD DIAMETER | 0.350 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| HEAD HEIGHT | 0.330 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.187 INCHES NOMINAL |
| MATERIAL ACCOMMODATED THICKNESS | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |