Part Details | MACHINE SCREW
5305-01-303-3989 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: NA0068A040008, NA0068040008, NA0068-040008, 5305-01-303-3989, 01-303-3989, 5305013033989, 013033989
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 29, 1989 | 01-303-3989 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
TORQUE SET
Cross Reference | NSN 5305-01-303-3989
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NA0068A040008 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| NA0068-040008 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-303-3989
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | MJ |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.7 |
| EXTERNAL THREAD TOLERANCE CLASS | 4H6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 6.3 MILLIMETERS MINIMUM AND 8.3 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 7.7 MILLIMETERS MINIMUM AND 8.3 MILLIMETERS MAXIMUM |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AAMS 5731$AAMS 5732$AAMS 5737 ALL MATERIAL RESPONSES |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 1100 MEGAPASCALS |
| HEAD STYLE | 4 UNDERCUT HEXAGON |
| HEAD DIAMETER | 7.7 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE SET |
| BEARING SURFACE OF HEAD SURFACE FINISH | 0.8 MICROMETERS |
| SHANK SURFACE FINISH | 0.8 MICROMETERS |
| THREAD SURFACE FINISH | 0.8 MICROMETERS |
| SPECIFICATION/STANDARD DATA | 80205-NA0068 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |