Part Details | MACHINE SCREW
5305-00-520-3538 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: 5203538, 5305-00-520-3538, 00-520-3538, 5305005203538, 005203538
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-520-3538 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-520-3538
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5203538 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
Technical Data | NSN 5305-00-520-3538
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MINIMUM |
| FASTENER LENGTH | 1.094 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| SCREW MATERIAL | COPPER ALLOY 360 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 194 MIL STD SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 57000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 3 DISHED HEXAGON |
| HEAD DIAMETER | 0.496 INCHES MINIMUM AND 0.497 INCHES MAXIMUM |
| HEAD HEIGHT | 0.326 INCHES MINIMUM AND 0.356 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |