Part Details | MACHINE SCREW
5305-01-289-8420 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: 401791, 40179-1, 822360501, 8223605-01, 5305-01-289-8420, 01-289-8420, 5305012898420, 012898420
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 01, 1988 | 01-289-8420 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-289-8420
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 40179-1 | 60984 | APS SYSTEMS INCDBA EIDAL INTERNATIONAL CORP |
| 8223605-01 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER |
Technical Data | NSN 5305-01-289-8420
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | 0$DZNA000 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BQQ-P-41,TY1CLC$CQQ-Z-325 1ST TREATMENT RESPONSE |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.141 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.280 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.380 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.200 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |