Part Details | MACHINE SCREW
5305-01-143-8631 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: NA0070025006, NA0070-025006, NAS0026, 5305-01-143-8631, 01-143-8631, 5305011438631, 011438631
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 09, 1982 | 01-143-8631 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
TORQUE SET
Cross Reference | NSN 5305-01-143-8631
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NA0070-025006 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| NAS0026 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-01-143-8631
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | MJ |
| NOMINAL THREAD DIAMETER | 2.5 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.45 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 4.95 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 5.7 MILLIMETERS MINIMUM AND 6.3 MILLIMETERS MAXIMUM |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731,5732,5737 OR AMS5853 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700,METHOD 1,CLASS 4 NATIONAL SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 1100 MEGAPASCALS |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 4.5 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM |
| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES 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-N0070 ND N0026 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,100DEG FLUSH HEAD,OFFSET CRUCIFORM RECESS,FULL THREAD,A286 CRES,1100 MPA,METRIC |