Part Details | MACHINE SCREW
5305-00-318-8631 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: 7581383P21, 7581383P0021, 5305-00-318-8631, 00-318-8631, 5305003188631, 003188631
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 14, 1973 | 00-318-8631 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-318-8631
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7581383P21 | 99971 | LOCKHEED MARTIN CORPNAVAL ELECTRONICS & SURVEILLANCE |
| 7581383P0021 | 99971 | LOCKHEED MARTIN CORPNAVAL ELECTRONICS & SURVEILLANCE |
Technical Data | NSN 5305-00-318-8631
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.165 INCHES MINIMUM AND 0.246 INCHES MAXIMUM |
| FASTENER LENGTH | 0.282 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.207 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SPECIAL FEATURES | COLOR NO. 36231 FED STD 595 |