Part Details | PANEL SCREW ASSEMBLY
5305-01-256-5801 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: F7500M4B2, F7500-M4-B-2, F7500M4B2, F7500-M4-B-2, 91753488, 5305-01-256-5801, 01-256-5801, 5305012565801, 012565801
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 06, 1987 | 01-256-5801 | 33044 ( SCREW ASSEMBLY, PANEL ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-256-5801
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| F7500-M4-B-2 | 17446 | HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND |
| F7500-M4-B-2 | 97928 | HUCK INTL INC |
| 91753488 | F0057 | THALES COMMUNICATIONS & SECURITYS.A.S |
Technical Data | NSN 5305-01-256-5801
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.7 |
| EXTERNAL THREAD TOLERANCE CLASS | 4H |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.350 INCHES NOMINAL |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.420 INCHES NOMINAL |
| HEAD HEIGHT | 0.290 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.087 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |