NSN 5305-00-138-6440
Part Details | MACHINE SCREW
5305-00-138-6440 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: 3S1494, 3S149400, 3S1494-00, 5305-00-138-6440, 00-138-6440, 5305001386440, 001386440
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 30, 1971 | 00-138-6440 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-138-6440
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3S1494 | 11083 | CATERPILLAR INC.DBA CATERPILLAR |
| 3S1494-00 | 58312 | MIL-TECH MFG INC |
Technical Data | NSN 5305-00-138-6440
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.090 INCHES NOMINAL |
| FASTENER LENGTH | 1.250 INCHES NOMINAL |
| SCREW MATERIAL | STEEL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 1.250 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | GROOVE LOCATED ON HEAD 0.960 IN. FROM UNTHD END 0.022 IN. DEEP 0.162 IN. WIDE AND THD RELIEF UNDER HEAD 0.160 IN. WIDE 0.036 IN. DEEP |