Part Details | MACHINE SCREW
5305-01-291-2249 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: 1621156, 1621156, 5305-01-291-2249, 01-291-2249, 5305012912249, 012912249
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 24, 1988 | 01-291-2249 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5305-01-291-2249
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1621156 | 30874 | INTERNATIONAL BUSINESS MACHINES CORP |
| 1621156 | 0B6S1 | INTERNATIONAL BUSINESS MACHINES CORPPARTS ORDER CENTER DEPT E - 54 |
Technical Data | NSN 5305-01-291-2249
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 3.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.5 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 13.0 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 14.0 MILLIMETERS NOMINAL |
| HEAD STYLE | 3 UNDERCUT HEXAGON |
| HEAD DIAMETER | 6.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 1.8 MILLIMETERS NOMINAL |